./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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_f677eceb-cdcc-4219-8b51-529f00e969fc/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 03c1f1efb08e7a9fddcc253b69596fe6be6bf22aca88662794b2f75978c70d66 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:01:14,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:01:14,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:01:14,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:01:14,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:01:14,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:01:14,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:01:14,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:01:14,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:01:14,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:01:14,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:01:14,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:01:14,373 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:01:14,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:01:14,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:01:14,375 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:01:14,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:01:14,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:01:14,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:01:14,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:01:14,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:01:14,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:01:14,380 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:01:14,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:01:14,381 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:01:14,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:01:14,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:01:14,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:01:14,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:01:14,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:01:14,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:01:14,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:01:14,385 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:01:14,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:01:14,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:01:14,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:01:14,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:01:14,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:01:14,388 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:01:14,388 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_f677eceb-cdcc-4219-8b51-529f00e969fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03c1f1efb08e7a9fddcc253b69596fe6be6bf22aca88662794b2f75978c70d66 [2023-11-06 22:01:14,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:01:14,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:01:14,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:01:14,673 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:01:14,673 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:01:14,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i [2023-11-06 22:01:17,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:01:18,081 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:01:18,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i [2023-11-06 22:01:18,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/data/d13c292aa/cff43485350b46a59a2ffe26a97786ee/FLAG332ccc5b8 [2023-11-06 22:01:18,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/data/d13c292aa/cff43485350b46a59a2ffe26a97786ee [2023-11-06 22:01:18,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:01:18,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:01:18,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:01:18,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:01:18,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:01:18,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14cac01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18, skipping insertion in model container [2023-11-06 22:01:18,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:01:18,368 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i[919,932] [2023-11-06 22:01:18,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:01:18,465 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:01:18,479 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_f677eceb-cdcc-4219-8b51-529f00e969fc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i[919,932] [2023-11-06 22:01:18,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:01:18,546 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:01:18,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18 WrapperNode [2023-11-06 22:01:18,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:01:18,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:01:18,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:01:18,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:01:18,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,620 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2023-11-06 22:01:18,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:01:18,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:01:18,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:01:18,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:01:18,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:01:18,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:01:18,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:01:18,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:01:18,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18" (1/1) ... [2023-11-06 22:01:18,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:01:18,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:18,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:01:18,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:01:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:01:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:01:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:01:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:01:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:01:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:01:18,907 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:01:18,910 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:01:19,472 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:01:19,516 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:01:19,517 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:01:19,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:19 BoogieIcfgContainer [2023-11-06 22:01:19,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:01:19,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:01:19,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:01:19,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:01:19,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:01:18" (1/3) ... [2023-11-06 22:01:19,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3725a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:01:19, skipping insertion in model container [2023-11-06 22:01:19,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:18" (2/3) ... [2023-11-06 22:01:19,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3725a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:01:19, skipping insertion in model container [2023-11-06 22:01:19,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:19" (3/3) ... [2023-11-06 22:01:19,529 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i [2023-11-06 22:01:19,575 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:01:19,575 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:01:19,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:01:19,659 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;@479efac6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:01:19,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:01:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:01:19,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-06 22:01:19,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:19,689 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:19,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:19,695 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:19,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1268959982, now seen corresponding path program 1 times [2023-11-06 22:01:19,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:19,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965460624] [2023-11-06 22:01:19,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:19,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:20,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:20,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965460624] [2023-11-06 22:01:20,018 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:01:20,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657067139] [2023-11-06 22:01:20,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:20,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:20,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:20,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:01:20,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:01:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:20,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:01:20,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-06 22:01:20,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:01:20,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657067139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:20,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:20,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:01:20,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583069522] [2023-11-06 22:01:20,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:20,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:01:20,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:20,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:01:20,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:01:20,450 INFO L87 Difference]: Start difference. First operand has 80 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:01:20,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:20,485 INFO L93 Difference]: Finished difference Result 151 states and 262 transitions. [2023-11-06 22:01:20,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:01:20,487 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 140 [2023-11-06 22:01:20,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:20,496 INFO L225 Difference]: With dead ends: 151 [2023-11-06 22:01:20,496 INFO L226 Difference]: Without dead ends: 74 [2023-11-06 22:01:20,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 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 22:01:20,506 INFO L413 NwaCegarLoop]: 109 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, 109 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 22:01:20,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:01:20,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-06 22:01:20,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-06 22:01:20,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 52 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:01:20,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 109 transitions. [2023-11-06 22:01:20,584 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 109 transitions. Word has length 140 [2023-11-06 22:01:20,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:20,586 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 109 transitions. [2023-11-06 22:01:20,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:01:20,587 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2023-11-06 22:01:20,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:01:20,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:20,594 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:20,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:20,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:20,800 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:20,801 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:20,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1399543487, now seen corresponding path program 1 times [2023-11-06 22:01:20,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:20,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488812383] [2023-11-06 22:01:20,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:20,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:20,876 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:01:20,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109532711] [2023-11-06 22:01:20,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:20,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:20,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:20,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:01:20,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:01:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:21,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:01:21,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:01:21,266 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:01:21,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:21,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488812383] [2023-11-06 22:01:21,266 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:01:21,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109532711] [2023-11-06 22:01:21,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109532711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:21,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:21,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:01:21,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182896842] [2023-11-06 22:01:21,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:21,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:01:21,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:21,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:01:21,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:01:21,276 INFO L87 Difference]: Start difference. First operand 74 states and 109 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:01:21,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:21,376 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2023-11-06 22:01:21,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:01:21,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 142 [2023-11-06 22:01:21,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:21,380 INFO L225 Difference]: With dead ends: 178 [2023-11-06 22:01:21,381 INFO L226 Difference]: Without dead ends: 107 [2023-11-06 22:01:21,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 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 22:01:21,383 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 27 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:21,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 179 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:01:21,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-06 22:01:21,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 100. [2023-11-06 22:01:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:01:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 149 transitions. [2023-11-06 22:01:21,444 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 149 transitions. Word has length 142 [2023-11-06 22:01:21,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:21,446 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 149 transitions. [2023-11-06 22:01:21,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:01:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2023-11-06 22:01:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:01:21,460 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:21,464 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:21,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 22:01:21,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-06 22:01:21,680 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:21,681 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:21,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1401390529, now seen corresponding path program 1 times [2023-11-06 22:01:21,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:21,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929196277] [2023-11-06 22:01:21,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:21,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:21,756 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:01:21,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1399311350] [2023-11-06 22:01:21,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:21,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:21,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:21,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:01:21,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:01:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:21,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:01:21,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:01:22,026 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:01:22,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:22,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929196277] [2023-11-06 22:01:22,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:01:22,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399311350] [2023-11-06 22:01:22,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399311350] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:22,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:22,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:01:22,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277553569] [2023-11-06 22:01:22,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:22,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:01:22,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:22,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:01:22,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:01:22,031 INFO L87 Difference]: Start difference. First operand 100 states and 149 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:01:22,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:22,085 INFO L93 Difference]: Finished difference Result 258 states and 382 transitions. [2023-11-06 22:01:22,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:01:22,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 142 [2023-11-06 22:01:22,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:22,089 INFO L225 Difference]: With dead ends: 258 [2023-11-06 22:01:22,089 INFO L226 Difference]: Without dead ends: 161 [2023-11-06 22:01:22,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 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 22:01:22,092 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 46 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:22,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 247 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:01:22,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-11-06 22:01:22,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 158. [2023-11-06 22:01:22,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 129 states have (on average 1.3953488372093024) internal successors, (180), 130 states have internal predecessors, (180), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:01:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 232 transitions. [2023-11-06 22:01:22,133 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 232 transitions. Word has length 142 [2023-11-06 22:01:22,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:22,136 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 232 transitions. [2023-11-06 22:01:22,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:01:22,136 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 232 transitions. [2023-11-06 22:01:22,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:01:22,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:22,144 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:22,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:22,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:22,345 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:22,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:22,346 INFO L85 PathProgramCache]: Analyzing trace with hash -978688703, now seen corresponding path program 1 times [2023-11-06 22:01:22,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:22,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156053970] [2023-11-06 22:01:22,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:22,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:22,421 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:01:22,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [955644386] [2023-11-06 22:01:22,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:22,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:22,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:22,435 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:01:22,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:01:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:22,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:01:22,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:23,522 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-06 22:01:23,523 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:01:24,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:24,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156053970] [2023-11-06 22:01:24,289 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:01:24,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955644386] [2023-11-06 22:01:24,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955644386] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:01:24,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:01:24,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-06 22:01:24,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573657792] [2023-11-06 22:01:24,292 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:01:24,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:01:24,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:24,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:01:24,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:01:24,296 INFO L87 Difference]: Start difference. First operand 158 states and 232 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:01:24,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:24,932 INFO L93 Difference]: Finished difference Result 534 states and 777 transitions. [2023-11-06 22:01:24,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:01:24,933 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 142 [2023-11-06 22:01:24,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:24,939 INFO L225 Difference]: With dead ends: 534 [2023-11-06 22:01:24,939 INFO L226 Difference]: Without dead ends: 379 [2023-11-06 22:01:24,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2023-11-06 22:01:24,941 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 221 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:24,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 472 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:01:24,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-11-06 22:01:24,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 323. [2023-11-06 22:01:24,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 265 states have (on average 1.3886792452830188) internal successors, (368), 267 states have internal predecessors, (368), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-06 22:01:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 472 transitions. [2023-11-06 22:01:24,995 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 472 transitions. Word has length 142 [2023-11-06 22:01:24,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:24,997 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 472 transitions. [2023-11-06 22:01:24,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:01:24,997 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 472 transitions. [2023-11-06 22:01:24,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:01:24,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:24,999 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:25,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:25,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:25,212 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:25,213 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:25,213 INFO L85 PathProgramCache]: Analyzing trace with hash -836293051, now seen corresponding path program 1 times [2023-11-06 22:01:25,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:25,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305146494] [2023-11-06 22:01:25,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:25,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:25,268 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:01:25,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942720952] [2023-11-06 22:01:25,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:25,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:25,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:25,282 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:01:25,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:01:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:25,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:01:25,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:26,175 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 382 proven. 81 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-06 22:01:26,175 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:01:26,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:26,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305146494] [2023-11-06 22:01:26,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:01:26,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942720952] [2023-11-06 22:01:26,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942720952] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:01:26,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:01:26,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-06 22:01:26,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117656638] [2023-11-06 22:01:26,770 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:01:26,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:01:26,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:26,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:01:26,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:01:26,773 INFO L87 Difference]: Start difference. First operand 323 states and 472 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-06 22:01:27,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:27,355 INFO L93 Difference]: Finished difference Result 711 states and 1023 transitions. [2023-11-06 22:01:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:01:27,356 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 142 [2023-11-06 22:01:27,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:27,360 INFO L225 Difference]: With dead ends: 711 [2023-11-06 22:01:27,360 INFO L226 Difference]: Without dead ends: 391 [2023-11-06 22:01:27,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:01:27,362 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 148 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:27,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 590 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:01:27,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2023-11-06 22:01:27,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 335. [2023-11-06 22:01:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 274 states have (on average 1.3686131386861313) internal successors, (375), 276 states have internal predecessors, (375), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-06 22:01:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 479 transitions. [2023-11-06 22:01:27,394 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 479 transitions. Word has length 142 [2023-11-06 22:01:27,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:27,395 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 479 transitions. [2023-11-06 22:01:27,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-06 22:01:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 479 transitions. [2023-11-06 22:01:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-06 22:01:27,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:27,398 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:27,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:27,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:27,605 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:27,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:27,606 INFO L85 PathProgramCache]: Analyzing trace with hash -209271347, now seen corresponding path program 1 times [2023-11-06 22:01:27,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:27,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356278598] [2023-11-06 22:01:27,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:27,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:27,666 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:01:27,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515042305] [2023-11-06 22:01:27,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:27,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:27,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:27,675 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:01:27,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:01:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:27,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:01:27,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:28,370 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:01:28,370 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:01:28,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:28,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356278598] [2023-11-06 22:01:28,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:01:28,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515042305] [2023-11-06 22:01:28,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515042305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:28,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:28,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:01:28,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708508356] [2023-11-06 22:01:28,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:28,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:01:28,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:28,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:01:28,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:01:28,375 INFO L87 Difference]: Start difference. First operand 335 states and 479 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:01:28,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:28,649 INFO L93 Difference]: Finished difference Result 864 states and 1236 transitions. [2023-11-06 22:01:28,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:01:28,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 143 [2023-11-06 22:01:28,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:28,657 INFO L225 Difference]: With dead ends: 864 [2023-11-06 22:01:28,657 INFO L226 Difference]: Without dead ends: 532 [2023-11-06 22:01:28,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:01:28,661 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 129 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:28,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 446 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:01:28,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2023-11-06 22:01:28,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 387. [2023-11-06 22:01:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 302 states have (on average 1.3377483443708609) internal successors, (404), 304 states have internal predecessors, (404), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-06 22:01:28,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 548 transitions. [2023-11-06 22:01:28,724 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 548 transitions. Word has length 143 [2023-11-06 22:01:28,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:28,725 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 548 transitions. [2023-11-06 22:01:28,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:01:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 548 transitions. [2023-11-06 22:01:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-06 22:01:28,728 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:28,728 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:28,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:28,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:28,935 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:28,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:28,936 INFO L85 PathProgramCache]: Analyzing trace with hash -145384691, now seen corresponding path program 1 times [2023-11-06 22:01:28,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:28,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202889691] [2023-11-06 22:01:28,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:28,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:28,983 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:01:28,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1411083656] [2023-11-06 22:01:28,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:28,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:28,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:28,985 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:01:29,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:01:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:29,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:01:29,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:29,727 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:01:29,727 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:01:29,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:01:29,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202889691] [2023-11-06 22:01:29,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:01:29,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411083656] [2023-11-06 22:01:29,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411083656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:29,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:29,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:01:29,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472901919] [2023-11-06 22:01:29,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:29,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:01:29,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:01:29,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:01:29,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:01:29,731 INFO L87 Difference]: Start difference. First operand 387 states and 548 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:01:29,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:29,974 INFO L93 Difference]: Finished difference Result 864 states and 1235 transitions. [2023-11-06 22:01:29,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:01:29,977 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 143 [2023-11-06 22:01:29,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:29,982 INFO L225 Difference]: With dead ends: 864 [2023-11-06 22:01:29,982 INFO L226 Difference]: Without dead ends: 532 [2023-11-06 22:01:29,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:01:29,984 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 123 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:29,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 447 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:01:29,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2023-11-06 22:01:30,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 388. [2023-11-06 22:01:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 303 states have (on average 1.3366336633663367) internal successors, (405), 305 states have internal predecessors, (405), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-06 22:01:30,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 549 transitions. [2023-11-06 22:01:30,032 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 549 transitions. Word has length 143 [2023-11-06 22:01:30,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:30,033 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 549 transitions. [2023-11-06 22:01:30,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:01:30,033 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 549 transitions. [2023-11-06 22:01:30,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-06 22:01:30,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:30,036 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:30,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:30,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:30,249 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:30,249 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:30,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1061300899, now seen corresponding path program 1 times [2023-11-06 22:01:30,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:30,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69335109] [2023-11-06 22:01:30,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:30,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:30,275 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:01:30,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416673860] [2023-11-06 22:01:30,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:30,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:30,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:30,277 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:01:30,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:01:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:01:30,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:01:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:01:30,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:01:30,738 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:01:30,739 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:01:30,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:30,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:01:30,953 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:01:30,958 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:01:31,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:01:31 BoogieIcfgContainer [2023-11-06 22:01:31,152 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:01:31,153 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:01:31,153 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:01:31,153 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:01:31,153 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:19" (3/4) ... [2023-11-06 22:01:31,157 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:01:31,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:01:31,159 INFO L158 Benchmark]: Toolchain (without parser) took 13023.81ms. Allocated memory was 159.4MB in the beginning and 268.4MB in the end (delta: 109.1MB). Free memory was 111.2MB in the beginning and 234.2MB in the end (delta: -123.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:01:31,159 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:01:31,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.57ms. Allocated memory is still 159.4MB. Free memory was 111.2MB in the beginning and 96.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:01:31,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.68ms. Allocated memory is still 159.4MB. Free memory was 96.0MB in the beginning and 91.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:01:31,160 INFO L158 Benchmark]: Boogie Preprocessor took 75.75ms. Allocated memory is still 159.4MB. Free memory was 91.3MB in the beginning and 88.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:01:31,160 INFO L158 Benchmark]: RCFGBuilder took 821.08ms. Allocated memory is still 159.4MB. Free memory was 88.7MB in the beginning and 125.3MB in the end (delta: -36.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-11-06 22:01:31,161 INFO L158 Benchmark]: TraceAbstraction took 11630.21ms. Allocated memory was 159.4MB in the beginning and 268.4MB in the end (delta: 109.1MB). Free memory was 124.6MB in the beginning and 234.2MB in the end (delta: -109.7MB). Peak memory consumption was 154.5MB. Max. memory is 16.1GB. [2023-11-06 22:01:31,161 INFO L158 Benchmark]: Witness Printer took 5.46ms. Allocated memory is still 268.4MB. Free memory is still 234.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:01:31,164 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 109.1MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.57ms. Allocated memory is still 159.4MB. Free memory was 111.2MB in the beginning and 96.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.68ms. Allocated memory is still 159.4MB. Free memory was 96.0MB in the beginning and 91.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.75ms. Allocated memory is still 159.4MB. Free memory was 91.3MB in the beginning and 88.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 821.08ms. Allocated memory is still 159.4MB. Free memory was 88.7MB in the beginning and 125.3MB in the end (delta: -36.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11630.21ms. Allocated memory was 159.4MB in the beginning and 268.4MB in the end (delta: 109.1MB). Free memory was 124.6MB in the beginning and 234.2MB in the end (delta: -109.7MB). Peak memory consumption was 154.5MB. Max. memory is 16.1GB. * Witness Printer took 5.46ms. Allocated memory is still 268.4MB. Free memory is still 234.2MB. 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 165, overapproximation of someUnaryDOUBLEoperation at line 89. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] signed char var_1_4 = 16; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_10 = 128; [L29] unsigned char var_1_11 = 64; [L30] signed char var_1_12 = -10; [L31] signed char var_1_13 = -10; [L32] signed char var_1_14 = -25; [L33] double var_1_15 = 64.875; [L34] double var_1_17 = 1.625; [L35] double var_1_18 = 32.2; [L36] double var_1_19 = 8.6; [L37] double var_1_20 = 10.5; [L38] signed short int var_1_21 = -64; [L39] unsigned char var_1_22 = 25; [L40] unsigned char var_1_23 = 0; [L41] unsigned long int var_1_24 = 5; [L42] double var_1_25 = 0.75; [L43] unsigned char var_1_27 = 4; [L44] signed short int var_1_35 = -64; [L45] signed char var_1_36 = -10; [L46] signed long int var_1_39 = 256; [L47] double var_1_40 = 31.6; [L48] signed short int var_1_42 = 5; [L49] signed short int last_1_var_1_21 = -64; [L50] unsigned char last_1_var_1_22 = 25; VAL [isInitial=0, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=16, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L169] isInitial = 1 [L170] FCALL initially() [L171] COND TRUE 1 [L172] CALL updateLastVariables() [L161] last_1_var_1_21 = var_1_21 [L162] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=16, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L172] RET updateLastVariables() [L173] CALL updateVariables() [L127] var_1_4 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L128] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L129] CALL assume_abort_if_not(var_1_4 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L129] RET assume_abort_if_not(var_1_4 <= 32) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L130] var_1_5 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L131] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L132] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L132] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L133] var_1_6 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L134] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L135] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L135] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L136] var_1_9 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L137] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L138] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L138] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L139] var_1_10 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L140] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L141] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L141] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L142] var_1_11 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_11 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L143] RET assume_abort_if_not(var_1_11 >= 63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L144] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L144] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L145] var_1_13 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L146] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L147] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L147] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L148] var_1_14 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L149] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L150] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L150] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L151] var_1_17 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L152] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L153] var_1_18 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L154] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L155] var_1_19 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L156] RET assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L157] var_1_20 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=32, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=32, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L158] RET assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=32, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L173] RET updateVariables() [L174] CALL step() [L54] signed long int stepLocal_1 = ~ last_1_var_1_21; [L55] unsigned char stepLocal_0 = var_1_5; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=32, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L56] EXPR last_1_var_1_22 >> var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22 >> var_1_4=25, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=32, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L56] COND TRUE stepLocal_1 != (last_1_var_1_22 >> var_1_4) [L57] COND TRUE stepLocal_0 || var_1_6 [L58] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L65] COND TRUE var_1_4 >= (var_1_21 % ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L66] COND FALSE !(var_1_4 < var_1_4) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L72] var_1_42 = var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L73] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L76] unsigned short int stepLocal_3 = var_1_1; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=519/8, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L77] COND FALSE !(var_1_4 > stepLocal_3) [L80] var_1_15 = var_1_17 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L82] COND FALSE !(var_1_21 > var_1_21) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L85] COND FALSE !(var_1_1 < ((((var_1_4) < (-64)) ? (var_1_4) : (-64)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L88] EXPR var_1_11 | var_1_11 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_3=0, var_1_10=254, var_1_11 | var_1_11=64, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L88] COND TRUE (var_1_11 | var_1_11) < (8 + var_1_10) [L89] var_1_40 = (((((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > (var_1_17)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (var_1_17))) < 0 ) ? -((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > (var_1_17)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (var_1_17))) : ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > (var_1_17)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (var_1_17))))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=6, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L92] COND TRUE ((- var_1_11) < 8) || var_1_9 [L93] var_1_22 = (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=64, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=6, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L95] var_1_25 = var_1_19 [L96] var_1_23 = (var_1_11 + var_1_4) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=6, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L97] COND TRUE var_1_18 <= var_1_20 [L98] var_1_24 = ((((var_1_8) < ((var_1_8 + var_1_11))) ? (var_1_8) : ((var_1_8 + var_1_11)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=64, var_1_23=64, var_1_24=1, var_1_25=4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=6, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L104] COND FALSE !(var_1_6 || var_1_9) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=64, var_1_23=64, var_1_24=1, var_1_25=4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=6, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L109] signed short int stepLocal_2 = var_1_21; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_2=-64, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=-10, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=64, var_1_23=64, var_1_24=1, var_1_25=4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=6, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L110] COND TRUE var_1_10 > stepLocal_2 [L111] var_1_12 = ((var_1_4 + var_1_13) + var_1_14) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_2=-64, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=64, var_1_23=64, var_1_24=1, var_1_25=4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=6, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L113] COND FALSE !((var_1_18 >= var_1_18) && (var_1_4 >= var_1_4)) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_2=-64, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=64, var_1_23=64, var_1_24=1, var_1_25=4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=6, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L120] COND FALSE !(var_1_18 > var_1_18) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, stepLocal_2=-64, stepLocal_3=0, var_1_10=254, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=64, var_1_23=64, var_1_24=1, var_1_25=4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=6, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L174] RET step() [L175] CALL, EXPR property() [L165] EXPR last_1_var_1_22 >> var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22 >> var_1_4=25, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=64, var_1_23=64, var_1_24=1, var_1_25=4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=6, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L165-L166] return (((((((((~ last_1_var_1_21) != (last_1_var_1_22 >> var_1_4)) ? ((var_1_5 || var_1_6) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) last_1_var_1_22))) : (var_1_1 == ((unsigned short int) 100))) && (var_1_9 ? (var_1_8 == ((unsigned char) (var_1_10 - (var_1_11 - var_1_4)))) : 1)) && ((var_1_10 > var_1_21) ? (var_1_12 == ((signed char) ((var_1_4 + var_1_13) + var_1_14))) : 1)) && ((var_1_4 > var_1_1) ? (var_1_15 == ((double) ((var_1_17 - var_1_18) + (((((var_1_19) > (499.25)) ? (var_1_19) : (499.25))) + var_1_20)))) : (var_1_15 == ((double) var_1_17)))) && ((var_1_6 || var_1_9) ? (((var_1_24 % var_1_10) > var_1_22) ? (var_1_21 == ((signed short int) (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) + var_1_14))) : 1) : 1)) && ((((- var_1_11) < 8) || var_1_9) ? (var_1_22 == ((unsigned char) (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) : 1)) && (var_1_23 == ((unsigned char) (var_1_11 + var_1_4)))) && ((var_1_18 <= var_1_20) ? (var_1_24 == ((unsigned long int) ((((var_1_8) < ((var_1_8 + var_1_11))) ? (var_1_8) : ((var_1_8 + var_1_11)))))) : ((9.99999999999998E13 < var_1_20) ? (var_1_24 == ((unsigned long int) var_1_1)) : 1)) ; [L175] RET, EXPR property() [L175] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=64, var_1_23=64, var_1_24=1, var_1_25=4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=6, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=254, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=-64, var_1_22=64, var_1_23=64, var_1_24=1, var_1_25=4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=6, var_1_42=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 8, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 704 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 694 mSDsluCounter, 2490 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1753 mSDsCounter, 97 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1124 IncrementalHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 97 mSolverCounterUnsat, 737 mSDtfsCounter, 1124 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1163 GetRequests, 1109 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=388occurred in iteration=7, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 411 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1278 NumberOfCodeBlocks, 1278 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 987 ConstructedInterpolants, 0 QuantifiedInterpolants, 5549 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2527 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 5212/5320 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 22:01:31,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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_f677eceb-cdcc-4219-8b51-529f00e969fc/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 03c1f1efb08e7a9fddcc253b69596fe6be6bf22aca88662794b2f75978c70d66 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:01:33,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:01:33,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:01:33,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:01:33,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:01:34,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:01:34,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:01:34,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:01:34,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:01:34,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:01:34,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:01:34,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:01:34,043 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:01:34,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:01:34,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:01:34,045 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:01:34,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:01:34,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:01:34,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:01:34,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:01:34,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:01:34,048 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:01:34,048 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:01:34,049 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:01:34,049 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:01:34,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:01:34,050 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:01:34,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:01:34,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:01:34,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:01:34,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:01:34,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:01:34,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:01:34,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:01:34,054 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:01:34,054 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:01:34,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:01:34,055 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:01:34,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:01:34,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:01:34,057 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:01:34,061 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:01:34,061 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_f677eceb-cdcc-4219-8b51-529f00e969fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03c1f1efb08e7a9fddcc253b69596fe6be6bf22aca88662794b2f75978c70d66 [2023-11-06 22:01:34,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:01:34,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:01:34,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:01:34,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:01:34,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:01:34,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i [2023-11-06 22:01:37,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:01:38,186 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:01:38,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i [2023-11-06 22:01:38,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/data/c7fb8516d/f949803caec34afcb467d9945db2d919/FLAG7b7bcf609 [2023-11-06 22:01:38,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/data/c7fb8516d/f949803caec34afcb467d9945db2d919 [2023-11-06 22:01:38,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:01:38,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:01:38,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:01:38,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:01:38,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:01:38,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eaccdcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38, skipping insertion in model container [2023-11-06 22:01:38,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:01:38,449 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_f677eceb-cdcc-4219-8b51-529f00e969fc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i[919,932] [2023-11-06 22:01:38,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:01:38,610 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:01:38,630 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_f677eceb-cdcc-4219-8b51-529f00e969fc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i[919,932] [2023-11-06 22:01:38,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:01:38,718 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:01:38,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38 WrapperNode [2023-11-06 22:01:38,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:01:38,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:01:38,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:01:38,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:01:38,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,796 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-11-06 22:01:38,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:01:38,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:01:38,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:01:38,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:01:38,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:01:38,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:01:38,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:01:38,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:01:38,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38" (1/1) ... [2023-11-06 22:01:38,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:01:38,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:38,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:01:38,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:01:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:01:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:01:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:01:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:01:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:01:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:01:39,054 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:01:39,056 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:01:43,825 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:01:43,833 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:01:43,834 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:01:43,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:43 BoogieIcfgContainer [2023-11-06 22:01:43,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:01:43,840 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:01:43,840 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:01:43,844 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:01:43,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:01:38" (1/3) ... [2023-11-06 22:01:43,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e9f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:01:43, skipping insertion in model container [2023-11-06 22:01:43,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:38" (2/3) ... [2023-11-06 22:01:43,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e9f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:01:43, skipping insertion in model container [2023-11-06 22:01:43,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:43" (3/3) ... [2023-11-06 22:01:43,848 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-13.i [2023-11-06 22:01:43,869 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:01:43,869 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:01:43,924 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:01:43,931 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;@3e08ac68, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:01:43,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:01:43,937 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:01:43,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:01:43,954 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:43,955 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:43,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:43,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:43,961 INFO L85 PathProgramCache]: Analyzing trace with hash 663023676, now seen corresponding path program 1 times [2023-11-06 22:01:43,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:01:43,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209930055] [2023-11-06 22:01:43,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:43,978 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 22:01:43,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:01:43,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:01:44,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:01:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:44,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:01:44,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-11-06 22:01:44,699 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:01:44,699 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:01:44,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209930055] [2023-11-06 22:01:44,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209930055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:44,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:44,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:01:44,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918813052] [2023-11-06 22:01:44,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:44,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:01:44,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:01:44,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:01:44,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:01:44,740 INFO L87 Difference]: Start difference. First operand has 75 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:01:44,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:44,779 INFO L93 Difference]: Finished difference Result 141 states and 244 transitions. [2023-11-06 22:01:44,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:01:44,781 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 137 [2023-11-06 22:01:44,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:44,790 INFO L225 Difference]: With dead ends: 141 [2023-11-06 22:01:44,790 INFO L226 Difference]: Without dead ends: 69 [2023-11-06 22:01:44,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 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 22:01:44,799 INFO L413 NwaCegarLoop]: 101 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, 101 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 22:01:44,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:01:44,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-06 22:01:44,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-06 22:01:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.297872340425532) internal successors, (61), 47 states have internal predecessors, (61), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:01:44,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 101 transitions. [2023-11-06 22:01:44,850 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 101 transitions. Word has length 137 [2023-11-06 22:01:44,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:44,851 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 101 transitions. [2023-11-06 22:01:44,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:01:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2023-11-06 22:01:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-06 22:01:44,856 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:44,856 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:44,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-06 22:01:45,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:01:45,078 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:45,079 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:45,079 INFO L85 PathProgramCache]: Analyzing trace with hash 565522444, now seen corresponding path program 1 times [2023-11-06 22:01:45,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:01:45,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537731944] [2023-11-06 22:01:45,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:45,081 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 22:01:45,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:01:45,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:01:45,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:01:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:45,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:01:45,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:01:47,233 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:01:47,234 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:01:47,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537731944] [2023-11-06 22:01:47,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [537731944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:47,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:47,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:01:47,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291241807] [2023-11-06 22:01:47,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:47,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:01:47,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:01:47,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:01:47,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:01:47,239 INFO L87 Difference]: Start difference. First operand 69 states and 101 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:01:50,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:01:52,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:01:54,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:01:56,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:01:58,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:00,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:00,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:00,424 INFO L93 Difference]: Finished difference Result 202 states and 298 transitions. [2023-11-06 22:02:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:02:00,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 138 [2023-11-06 22:02:00,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:00,458 INFO L225 Difference]: With dead ends: 202 [2023-11-06 22:02:00,458 INFO L226 Difference]: Without dead ends: 136 [2023-11-06 22:02:00,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:02:00,461 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 110 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 41 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:00,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 329 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 66 Invalid, 6 Unknown, 0 Unchecked, 13.0s Time] [2023-11-06 22:02:00,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-06 22:02:00,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 108. [2023-11-06 22:02:00,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 65 states have internal predecessors, (79), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:02:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 159 transitions. [2023-11-06 22:02:00,513 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 159 transitions. Word has length 138 [2023-11-06 22:02:00,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:00,514 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 159 transitions. [2023-11-06 22:02:00,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:02:00,515 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2023-11-06 22:02:00,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-06 22:02:00,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:00,518 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:02:00,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:00,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:00,742 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:00,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:00,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1608853132, now seen corresponding path program 1 times [2023-11-06 22:02:00,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:02:00,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1133524715] [2023-11-06 22:02:00,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:00,744 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 22:02:00,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:02:00,746 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:00,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:01,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:02:01,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:02:01,378 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:01,379 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:02:01,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1133524715] [2023-11-06 22:02:01,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1133524715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:01,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:01,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:02:01,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325618928] [2023-11-06 22:02:01,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:01,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:01,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:02:01,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:01,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:01,383 INFO L87 Difference]: Start difference. First operand 108 states and 159 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:02:03,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:05,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:05,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:05,599 INFO L93 Difference]: Finished difference Result 211 states and 308 transitions. [2023-11-06 22:02:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:05,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 139 [2023-11-06 22:02:05,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:05,606 INFO L225 Difference]: With dead ends: 211 [2023-11-06 22:02:05,610 INFO L226 Difference]: Without dead ends: 145 [2023-11-06 22:02:05,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 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 22:02:05,615 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 41 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:05,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 223 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-11-06 22:02:05,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-06 22:02:05,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2023-11-06 22:02:05,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 92 states have (on average 1.25) internal successors, (115), 93 states have internal predecessors, (115), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-06 22:02:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 207 transitions. [2023-11-06 22:02:05,674 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 207 transitions. Word has length 139 [2023-11-06 22:02:05,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:05,675 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 207 transitions. [2023-11-06 22:02:05,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:02:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 207 transitions. [2023-11-06 22:02:05,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-06 22:02:05,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:05,679 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:02:05,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:05,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:05,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:05,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:05,885 INFO L85 PathProgramCache]: Analyzing trace with hash -385291574, now seen corresponding path program 1 times [2023-11-06 22:02:05,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:02:05,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266872508] [2023-11-06 22:02:05,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:05,887 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 22:02:05,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:02:05,888 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:05,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:06,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:02:06,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:02:07,211 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:07,212 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:02:07,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266872508] [2023-11-06 22:02:07,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266872508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:07,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:07,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:02:07,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941051521] [2023-11-06 22:02:07,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:07,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:07,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:02:07,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:07,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:07,216 INFO L87 Difference]: Start difference. First operand 142 states and 207 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:02:09,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:11,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:11,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:11,560 INFO L93 Difference]: Finished difference Result 342 states and 499 transitions. [2023-11-06 22:02:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:02:11,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 139 [2023-11-06 22:02:11,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:11,569 INFO L225 Difference]: With dead ends: 342 [2023-11-06 22:02:11,569 INFO L226 Difference]: Without dead ends: 242 [2023-11-06 22:02:11,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:02:11,571 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 31 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:11,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 277 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-11-06 22:02:11,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2023-11-06 22:02:11,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 240. [2023-11-06 22:02:11,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 162 states have (on average 1.271604938271605) internal successors, (206), 164 states have internal predecessors, (206), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-06 22:02:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 350 transitions. [2023-11-06 22:02:11,636 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 350 transitions. Word has length 139 [2023-11-06 22:02:11,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:11,638 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 350 transitions. [2023-11-06 22:02:11,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:02:11,638 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 350 transitions. [2023-11-06 22:02:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-06 22:02:11,643 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:11,643 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:02:11,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:11,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:11,859 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:11,859 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:11,860 INFO L85 PathProgramCache]: Analyzing trace with hash 2134668360, now seen corresponding path program 1 times [2023-11-06 22:02:11,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:02:11,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888780863] [2023-11-06 22:02:11,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:11,861 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 22:02:11,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:02:11,862 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:11,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:12,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:02:12,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:02:12,594 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:12,594 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:02:12,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888780863] [2023-11-06 22:02:12,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [888780863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:12,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:12,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:02:12,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629676094] [2023-11-06 22:02:12,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:12,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:12,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:02:12,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:12,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:12,597 INFO L87 Difference]: Start difference. First operand 240 states and 350 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:02:15,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:02:18,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:02:20,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:02:20,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:20,257 INFO L93 Difference]: Finished difference Result 576 states and 833 transitions. [2023-11-06 22:02:20,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:20,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 139 [2023-11-06 22:02:20,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:20,307 INFO L225 Difference]: With dead ends: 576 [2023-11-06 22:02:20,307 INFO L226 Difference]: Without dead ends: 378 [2023-11-06 22:02:20,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:20,309 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 63 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:20,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 186 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 3 Unknown, 0 Unchecked, 7.6s Time] [2023-11-06 22:02:20,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2023-11-06 22:02:20,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 374. [2023-11-06 22:02:20,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 245 states have (on average 1.2285714285714286) internal successors, (301), 251 states have internal predecessors, (301), 118 states have call successors, (118), 10 states have call predecessors, (118), 10 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2023-11-06 22:02:20,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 537 transitions. [2023-11-06 22:02:20,407 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 537 transitions. Word has length 139 [2023-11-06 22:02:20,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:20,408 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 537 transitions. [2023-11-06 22:02:20,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:02:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 537 transitions. [2023-11-06 22:02:20,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-06 22:02:20,411 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:20,411 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:02:20,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:20,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:20,627 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:20,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:20,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1543457390, now seen corresponding path program 1 times [2023-11-06 22:02:20,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:02:20,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158166572] [2023-11-06 22:02:20,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:20,629 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 22:02:20,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:02:20,630 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:20,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:21,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:02:21,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 40 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-06 22:02:22,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:02:22,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:02:22,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158166572] [2023-11-06 22:02:22,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158166572] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:22,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:02:22,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-11-06 22:02:22,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154435135] [2023-11-06 22:02:22,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:22,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:22,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:02:22,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:22,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:02:22,940 INFO L87 Difference]: Start difference. First operand 374 states and 537 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:02:25,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:27,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:29,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:31,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:31,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:31,377 INFO L93 Difference]: Finished difference Result 936 states and 1331 transitions. [2023-11-06 22:02:31,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:02:31,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2023-11-06 22:02:31,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:31,383 INFO L225 Difference]: With dead ends: 936 [2023-11-06 22:02:31,384 INFO L226 Difference]: Without dead ends: 608 [2023-11-06 22:02:31,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:02:31,386 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 81 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:31,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 250 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2023-11-06 22:02:31,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2023-11-06 22:02:31,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 390. [2023-11-06 22:02:31,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 261 states have (on average 1.2298850574712643) internal successors, (321), 267 states have internal predecessors, (321), 118 states have call successors, (118), 10 states have call predecessors, (118), 10 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2023-11-06 22:02:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 557 transitions. [2023-11-06 22:02:31,448 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 557 transitions. Word has length 140 [2023-11-06 22:02:31,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:31,449 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 557 transitions. [2023-11-06 22:02:31,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:02:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 557 transitions. [2023-11-06 22:02:31,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-06 22:02:31,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:31,451 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:02:31,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:31,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:31,673 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:31,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:31,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1163162004, now seen corresponding path program 1 times [2023-11-06 22:02:31,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:02:31,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118035483] [2023-11-06 22:02:31,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:31,674 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 22:02:31,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:02:31,675 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:31,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:02:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:32,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:02:32,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 396 proven. 99 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2023-11-06 22:02:34,598 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:41,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:02:41,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118035483] [2023-11-06 22:02:41,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2118035483] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:41,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [352473362] [2023-11-06 22:02:41,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:41,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:02:41,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:02:41,582 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:02:41,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-06 22:02:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:43,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:02:43,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 382 proven. 81 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-06 22:02:45,681 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:50,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [352473362] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:50,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:02:50,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 11 [2023-11-06 22:02:50,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339666523] [2023-11-06 22:02:50,288 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:02:50,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:02:50,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:02:50,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:02:50,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=196, Unknown=1, NotChecked=0, Total=306 [2023-11-06 22:02:50,290 INFO L87 Difference]: Start difference. First operand 390 states and 557 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-06 22:02:53,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:54,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:57,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:02:59,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:01,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:03,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:03:03,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:03,488 INFO L93 Difference]: Finished difference Result 790 states and 1094 transitions. [2023-11-06 22:03:03,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:03:03,490 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 140 [2023-11-06 22:03:03,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:03,494 INFO L225 Difference]: With dead ends: 790 [2023-11-06 22:03:03,494 INFO L226 Difference]: Without dead ends: 446 [2023-11-06 22:03:03,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=187, Invalid=318, Unknown=1, NotChecked=0, Total=506 [2023-11-06 22:03:03,497 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 86 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:03,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 400 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 419 Invalid, 3 Unknown, 0 Unchecked, 12.8s Time] [2023-11-06 22:03:03,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2023-11-06 22:03:03,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 434. [2023-11-06 22:03:03,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 294 states have (on average 1.1972789115646258) internal successors, (352), 300 states have internal predecessors, (352), 118 states have call successors, (118), 21 states have call predecessors, (118), 21 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2023-11-06 22:03:03,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 588 transitions. [2023-11-06 22:03:03,548 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 588 transitions. Word has length 140 [2023-11-06 22:03:03,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:03,549 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 588 transitions. [2023-11-06 22:03:03,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-06 22:03:03,550 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 588 transitions. [2023-11-06 22:03:03,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:03:03,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:03,552 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:03,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:03:03,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-06 22:03:03,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 22:03:03,974 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:03,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:03,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1646902992, now seen corresponding path program 1 times [2023-11-06 22:03:03,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:03:03,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745568780] [2023-11-06 22:03:03,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:03,975 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 22:03:03,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:03:03,977 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:03:03,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f677eceb-cdcc-4219-8b51-529f00e969fc/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 22:03:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:04,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-06 22:03:04,417 INFO L285 TraceCheckSpWp]: Computing forward predicates...