./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.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_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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_288fae63-5e69-46b3-9474-0e0ddbad46bf/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 d1cb787af494abcaff939caeb847017cf6182011ac4c5e249d82499aa017392f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:39:52,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:39:52,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:39:52,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:39:52,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:39:52,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:39:52,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:39:52,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:39:52,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:39:52,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:39:52,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:39:52,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:39:52,521 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:39:52,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:39:52,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:39:52,523 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:39:52,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:39:52,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:39:52,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:39:52,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:39:52,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:39:52,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:39:52,532 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:39:52,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:39:52,534 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:39:52,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:39:52,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:39:52,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:39:52,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:39:52,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:39:52,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:39:52,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:39:52,539 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:39:52,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:39:52,540 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:39:52,540 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:39:52,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:39:52,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:39:52,542 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:39:52,542 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_288fae63-5e69-46b3-9474-0e0ddbad46bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1cb787af494abcaff939caeb847017cf6182011ac4c5e249d82499aa017392f [2023-11-06 22:39:52,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:39:52,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:39:52,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:39:52,939 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:39:52,939 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:39:52,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.i [2023-11-06 22:39:56,006 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:39:56,274 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:39:56,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.i [2023-11-06 22:39:56,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/data/6fc71c263/5edf9d269c0c486e8f89154f392eb094/FLAGa434557f4 [2023-11-06 22:39:56,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/data/6fc71c263/5edf9d269c0c486e8f89154f392eb094 [2023-11-06 22:39:56,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:39:56,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:39:56,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:39:56,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:39:56,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:39:56,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:56,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707e7ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56, skipping insertion in model container [2023-11-06 22:39:56,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:56,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:39:56,552 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_288fae63-5e69-46b3-9474-0e0ddbad46bf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.i[919,932] [2023-11-06 22:39:56,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:39:56,682 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:39:56,699 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_288fae63-5e69-46b3-9474-0e0ddbad46bf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.i[919,932] [2023-11-06 22:39:56,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:39:56,820 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:39:56,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56 WrapperNode [2023-11-06 22:39:56,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:39:56,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:39:56,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:39:56,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:39:56,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:56,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:56,919 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 226 [2023-11-06 22:39:56,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:39:56,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:39:56,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:39:56,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:39:56,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:56,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:56,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:56,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:56,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:56,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:56,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:56,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:57,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:39:57,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:39:57,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:39:57,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:39:57,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56" (1/1) ... [2023-11-06 22:39:57,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:39:57,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:39:57,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:39:57,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:39:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:39:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:39:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:39:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:39:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:39:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:39:57,261 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:39:57,264 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:39:57,884 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:39:57,895 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:39:57,895 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:39:57,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:57 BoogieIcfgContainer [2023-11-06 22:39:57,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:39:57,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:39:57,904 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:39:57,907 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:39:57,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:39:56" (1/3) ... [2023-11-06 22:39:57,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f162624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:39:57, skipping insertion in model container [2023-11-06 22:39:57,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:56" (2/3) ... [2023-11-06 22:39:57,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f162624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:39:57, skipping insertion in model container [2023-11-06 22:39:57,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:57" (3/3) ... [2023-11-06 22:39:57,913 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.i [2023-11-06 22:39:57,934 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:39:57,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:39:58,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:39:58,025 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;@5974081e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:39:58,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:39:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 68 states have internal predecessors, (99), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:39:58,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:39:58,056 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:39:58,058 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:39:58,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:39:58,068 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:39:58,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1913294045, now seen corresponding path program 1 times [2023-11-06 22:39:58,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:39:58,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604809450] [2023-11-06 22:39:58,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:58,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:39:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:58,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:39:58,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604809450] [2023-11-06 22:39:58,403 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:39:58,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633083140] [2023-11-06 22:39:58,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:58,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:39:58,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:39:58,408 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:39:58,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:39:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:58,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:39:58,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:39:58,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-11-06 22:39:58,811 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:39:58,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633083140] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:39:58,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:39:58,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:39:58,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702200273] [2023-11-06 22:39:58,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:39:58,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:39:58,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:39:58,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:39:58,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:39:58,858 INFO L87 Difference]: Start difference. First operand has 96 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 68 states have internal predecessors, (99), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-06 22:39:58,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:39:58,896 INFO L93 Difference]: Finished difference Result 185 states and 322 transitions. [2023-11-06 22:39:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:39:58,898 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 177 [2023-11-06 22:39:58,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:39:58,906 INFO L225 Difference]: With dead ends: 185 [2023-11-06 22:39:58,906 INFO L226 Difference]: Without dead ends: 92 [2023-11-06 22:39:58,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 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 22:39:58,914 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:39:58,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:39:58,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-06 22:39:58,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-06 22:39:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 64 states have (on average 1.4375) internal successors, (92), 64 states have internal predecessors, (92), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:39:58,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 144 transitions. [2023-11-06 22:39:58,972 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 144 transitions. Word has length 177 [2023-11-06 22:39:58,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:39:58,973 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 144 transitions. [2023-11-06 22:39:58,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-06 22:39:58,973 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2023-11-06 22:39:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:39:58,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:39:58,978 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:39:58,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:39:59,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:39:59,193 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:39:59,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:39:59,194 INFO L85 PathProgramCache]: Analyzing trace with hash -391280347, now seen corresponding path program 1 times [2023-11-06 22:39:59,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:39:59,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255066798] [2023-11-06 22:39:59,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:59,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:39:59,302 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:39:59,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205112254] [2023-11-06 22:39:59,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:59,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:39:59,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:39:59,311 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:39:59,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:39:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:59,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:39:59,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:39:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:39:59,580 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:39:59,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:39:59,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255066798] [2023-11-06 22:39:59,580 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:39:59,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205112254] [2023-11-06 22:39:59,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205112254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:39:59,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:39:59,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:39:59,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535952040] [2023-11-06 22:39:59,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:39:59,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:39:59,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:39:59,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:39:59,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:39:59,587 INFO L87 Difference]: Start difference. First operand 92 states and 144 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:39:59,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:39:59,632 INFO L93 Difference]: Finished difference Result 181 states and 285 transitions. [2023-11-06 22:39:59,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:39:59,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2023-11-06 22:39:59,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:39:59,636 INFO L225 Difference]: With dead ends: 181 [2023-11-06 22:39:59,637 INFO L226 Difference]: Without dead ends: 92 [2023-11-06 22:39:59,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 175 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 22:39:59,640 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:39:59,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 279 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:39:59,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-06 22:39:59,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-06 22:39:59,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 64 states have (on average 1.421875) internal successors, (91), 64 states have internal predecessors, (91), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:39:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 143 transitions. [2023-11-06 22:39:59,661 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 143 transitions. Word has length 177 [2023-11-06 22:39:59,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:39:59,664 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 143 transitions. [2023-11-06 22:39:59,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:39:59,665 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 143 transitions. [2023-11-06 22:39:59,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:39:59,668 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:39:59,669 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:39:59,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:39:59,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:39:59,877 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:39:59,877 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:39:59,877 INFO L85 PathProgramCache]: Analyzing trace with hash 309784231, now seen corresponding path program 1 times [2023-11-06 22:39:59,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:39:59,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116482269] [2023-11-06 22:39:59,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:59,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:39:59,931 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:39:59,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463623598] [2023-11-06 22:39:59,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:59,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:39:59,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:39:59,933 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:39:59,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:40:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:00,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:40:00,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:40:00,211 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:00,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:00,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116482269] [2023-11-06 22:40:00,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:00,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463623598] [2023-11-06 22:40:00,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463623598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:00,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:00,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:40:00,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108310857] [2023-11-06 22:40:00,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:00,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:40:00,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:00,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:40:00,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:00,218 INFO L87 Difference]: Start difference. First operand 92 states and 143 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:00,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:00,342 INFO L93 Difference]: Finished difference Result 238 states and 370 transitions. [2023-11-06 22:40:00,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:40:00,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2023-11-06 22:40:00,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:00,346 INFO L225 Difference]: With dead ends: 238 [2023-11-06 22:40:00,346 INFO L226 Difference]: Without dead ends: 149 [2023-11-06 22:40:00,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 175 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 22:40:00,349 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 71 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:00,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 296 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:40:00,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-06 22:40:00,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 146. [2023-11-06 22:40:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 109 states have (on average 1.4495412844036697) internal successors, (158), 110 states have internal predecessors, (158), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-06 22:40:00,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 226 transitions. [2023-11-06 22:40:00,386 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 226 transitions. Word has length 177 [2023-11-06 22:40:00,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:00,389 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 226 transitions. [2023-11-06 22:40:00,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:00,389 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 226 transitions. [2023-11-06 22:40:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:40:00,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:00,399 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:00,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:00,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:00,612 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:00,612 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:00,612 INFO L85 PathProgramCache]: Analyzing trace with hash 896590245, now seen corresponding path program 1 times [2023-11-06 22:40:00,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:00,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884847227] [2023-11-06 22:40:00,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:00,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:00,702 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:00,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870264035] [2023-11-06 22:40:00,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:00,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:00,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:00,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:00,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:40:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:00,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 22:40:00,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:08,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:40:08,729 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:08,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:08,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884847227] [2023-11-06 22:40:08,730 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:08,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870264035] [2023-11-06 22:40:08,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870264035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:08,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:08,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:40:08,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922375811] [2023-11-06 22:40:08,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:08,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:40:08,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:08,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:40:08,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:40:08,733 INFO L87 Difference]: Start difference. First operand 146 states and 226 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:09,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:09,976 INFO L93 Difference]: Finished difference Result 568 states and 878 transitions. [2023-11-06 22:40:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:40:09,977 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2023-11-06 22:40:09,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:09,984 INFO L225 Difference]: With dead ends: 568 [2023-11-06 22:40:09,984 INFO L226 Difference]: Without dead ends: 425 [2023-11-06 22:40:09,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:40:09,988 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 713 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:09,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 773 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:40:09,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2023-11-06 22:40:10,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 277. [2023-11-06 22:40:10,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 204 states have (on average 1.4411764705882353) internal successors, (294), 206 states have internal predecessors, (294), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-06 22:40:10,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 430 transitions. [2023-11-06 22:40:10,047 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 430 transitions. Word has length 177 [2023-11-06 22:40:10,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:10,048 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 430 transitions. [2023-11-06 22:40:10,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:10,049 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 430 transitions. [2023-11-06 22:40:10,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:40:10,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:10,055 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:10,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:10,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:10,262 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:10,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:10,263 INFO L85 PathProgramCache]: Analyzing trace with hash -792353497, now seen corresponding path program 1 times [2023-11-06 22:40:10,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:10,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251941680] [2023-11-06 22:40:10,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:10,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:10,308 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:10,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344727414] [2023-11-06 22:40:10,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:10,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:10,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:10,310 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:10,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:40:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:10,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:40:10,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:40:10,792 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:10,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:10,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251941680] [2023-11-06 22:40:10,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:10,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344727414] [2023-11-06 22:40:10,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344727414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:10,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:10,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:40:10,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245605843] [2023-11-06 22:40:10,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:10,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:40:10,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:10,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:40:10,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:40:10,796 INFO L87 Difference]: Start difference. First operand 277 states and 430 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:11,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:11,113 INFO L93 Difference]: Finished difference Result 726 states and 1126 transitions. [2023-11-06 22:40:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:40:11,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2023-11-06 22:40:11,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:11,119 INFO L225 Difference]: With dead ends: 726 [2023-11-06 22:40:11,119 INFO L226 Difference]: Without dead ends: 465 [2023-11-06 22:40:11,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:40:11,122 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 391 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:11,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 565 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:40:11,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2023-11-06 22:40:11,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 353. [2023-11-06 22:40:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 252 states have (on average 1.4126984126984128) internal successors, (356), 255 states have internal predecessors, (356), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-06 22:40:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 544 transitions. [2023-11-06 22:40:11,199 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 544 transitions. Word has length 177 [2023-11-06 22:40:11,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:11,202 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 544 transitions. [2023-11-06 22:40:11,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:11,202 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 544 transitions. [2023-11-06 22:40:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:40:11,205 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:11,205 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:11,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:11,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:11,411 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:11,412 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:11,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1914265897, now seen corresponding path program 1 times [2023-11-06 22:40:11,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:11,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650669165] [2023-11-06 22:40:11,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:11,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:11,483 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:11,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1420654945] [2023-11-06 22:40:11,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:11,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:11,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:11,488 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:11,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:40:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:11,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 22:40:11,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:40:16,798 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:16,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:16,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650669165] [2023-11-06 22:40:16,799 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:16,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420654945] [2023-11-06 22:40:16,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420654945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:16,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:16,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:40:16,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281436577] [2023-11-06 22:40:16,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:16,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:40:16,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:16,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:40:16,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:40:16,805 INFO L87 Difference]: Start difference. First operand 353 states and 544 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:17,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:17,824 INFO L93 Difference]: Finished difference Result 865 states and 1327 transitions. [2023-11-06 22:40:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:40:17,825 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2023-11-06 22:40:17,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:17,830 INFO L225 Difference]: With dead ends: 865 [2023-11-06 22:40:17,831 INFO L226 Difference]: Without dead ends: 528 [2023-11-06 22:40:17,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:40:17,833 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 774 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:17,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 751 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:40:17,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2023-11-06 22:40:17,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 373. [2023-11-06 22:40:17,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 272 states have (on average 1.4264705882352942) internal successors, (388), 275 states have internal predecessors, (388), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-06 22:40:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 576 transitions. [2023-11-06 22:40:17,898 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 576 transitions. Word has length 177 [2023-11-06 22:40:17,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:17,898 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 576 transitions. [2023-11-06 22:40:17,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:17,899 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 576 transitions. [2023-11-06 22:40:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:40:17,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:17,902 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:17,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:18,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:40:18,109 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:18,109 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:18,110 INFO L85 PathProgramCache]: Analyzing trace with hash -908848089, now seen corresponding path program 1 times [2023-11-06 22:40:18,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:18,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325099333] [2023-11-06 22:40:18,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:18,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:18,171 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:18,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [497245218] [2023-11-06 22:40:18,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:18,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:18,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:18,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:18,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:40:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:18,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:40:18,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:40:25,168 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:25,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:25,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325099333] [2023-11-06 22:40:25,168 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:25,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497245218] [2023-11-06 22:40:25,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497245218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:25,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:25,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:40:25,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785279435] [2023-11-06 22:40:25,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:25,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:40:25,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:25,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:40:25,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:40:25,172 INFO L87 Difference]: Start difference. First operand 373 states and 576 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:26,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:26,001 INFO L93 Difference]: Finished difference Result 957 states and 1469 transitions. [2023-11-06 22:40:26,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:40:26,002 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2023-11-06 22:40:26,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:26,010 INFO L225 Difference]: With dead ends: 957 [2023-11-06 22:40:26,011 INFO L226 Difference]: Without dead ends: 600 [2023-11-06 22:40:26,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:40:26,015 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 400 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:26,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 853 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:40:26,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2023-11-06 22:40:26,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 409. [2023-11-06 22:40:26,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 308 states have (on average 1.448051948051948) internal successors, (446), 311 states have internal predecessors, (446), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-06 22:40:26,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 634 transitions. [2023-11-06 22:40:26,086 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 634 transitions. Word has length 177 [2023-11-06 22:40:26,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:26,090 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 634 transitions. [2023-11-06 22:40:26,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 634 transitions. [2023-11-06 22:40:26,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:40:26,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:26,097 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:26,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:26,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:26,304 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:26,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:26,304 INFO L85 PathProgramCache]: Analyzing trace with hash 108827563, now seen corresponding path program 1 times [2023-11-06 22:40:26,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:26,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411043421] [2023-11-06 22:40:26,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:26,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:26,359 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:26,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446567225] [2023-11-06 22:40:26,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:26,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:26,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:26,361 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:26,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:40:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:40:26,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:31,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:40:31,971 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:31,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:31,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411043421] [2023-11-06 22:40:31,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:31,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446567225] [2023-11-06 22:40:31,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446567225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:31,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:31,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:40:31,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886016370] [2023-11-06 22:40:31,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:31,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:40:31,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:31,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:40:31,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:40:31,976 INFO L87 Difference]: Start difference. First operand 409 states and 634 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:32,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:32,732 INFO L93 Difference]: Finished difference Result 993 states and 1525 transitions. [2023-11-06 22:40:32,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:40:32,733 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2023-11-06 22:40:32,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:32,738 INFO L225 Difference]: With dead ends: 993 [2023-11-06 22:40:32,739 INFO L226 Difference]: Without dead ends: 600 [2023-11-06 22:40:32,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:40:32,741 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 404 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:32,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 733 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:40:32,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2023-11-06 22:40:32,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 423. [2023-11-06 22:40:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 322 states have (on average 1.453416149068323) internal successors, (468), 325 states have internal predecessors, (468), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-06 22:40:32,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 656 transitions. [2023-11-06 22:40:32,790 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 656 transitions. Word has length 177 [2023-11-06 22:40:32,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:32,791 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 656 transitions. [2023-11-06 22:40:32,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:32,791 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 656 transitions. [2023-11-06 22:40:32,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:40:32,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:32,794 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:32,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:32,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:33,000 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:33,000 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:33,000 INFO L85 PathProgramCache]: Analyzing trace with hash 756041635, now seen corresponding path program 1 times [2023-11-06 22:40:33,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:33,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328600394] [2023-11-06 22:40:33,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:33,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:33,033 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:33,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [695182132] [2023-11-06 22:40:33,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:33,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:33,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:33,042 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:33,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:40:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:33,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:40:33,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:44,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:40:44,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:44,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:44,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328600394] [2023-11-06 22:40:44,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:44,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695182132] [2023-11-06 22:40:44,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695182132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:44,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:44,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:40:44,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189056202] [2023-11-06 22:40:44,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:44,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:40:44,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:44,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:40:44,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:40:44,320 INFO L87 Difference]: Start difference. First operand 423 states and 656 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:46,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:46,955 INFO L93 Difference]: Finished difference Result 985 states and 1518 transitions. [2023-11-06 22:40:46,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:40:46,955 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2023-11-06 22:40:46,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:46,960 INFO L225 Difference]: With dead ends: 985 [2023-11-06 22:40:46,961 INFO L226 Difference]: Without dead ends: 578 [2023-11-06 22:40:46,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:40:46,963 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 477 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:46,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 805 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-06 22:40:46,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2023-11-06 22:40:47,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 430. [2023-11-06 22:40:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 329 states have (on average 1.4559270516717324) internal successors, (479), 332 states have internal predecessors, (479), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-06 22:40:47,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 667 transitions. [2023-11-06 22:40:47,013 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 667 transitions. Word has length 177 [2023-11-06 22:40:47,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:47,014 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 667 transitions. [2023-11-06 22:40:47,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 667 transitions. [2023-11-06 22:40:47,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:40:47,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:47,018 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:47,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-06 22:40:47,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:47,225 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:47,225 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:47,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1773717287, now seen corresponding path program 1 times [2023-11-06 22:40:47,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:47,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526796122] [2023-11-06 22:40:47,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:47,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:47,252 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:47,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1198701912] [2023-11-06 22:40:47,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:47,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:47,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:47,254 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:47,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:40:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:47,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:40:47,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:40:56,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:56,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:56,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526796122] [2023-11-06 22:40:56,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:56,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198701912] [2023-11-06 22:40:56,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198701912] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:56,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:56,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:40:56,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139554575] [2023-11-06 22:40:56,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:56,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:40:56,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:56,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:40:56,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:40:56,794 INFO L87 Difference]: Start difference. First operand 430 states and 667 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:59,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:59,159 INFO L93 Difference]: Finished difference Result 992 states and 1528 transitions. [2023-11-06 22:40:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:40:59,160 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2023-11-06 22:40:59,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:59,165 INFO L225 Difference]: With dead ends: 992 [2023-11-06 22:40:59,165 INFO L226 Difference]: Without dead ends: 578 [2023-11-06 22:40:59,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:40:59,168 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 329 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:59,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 935 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:40:59,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2023-11-06 22:40:59,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 423. [2023-11-06 22:40:59,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 322 states have (on average 1.453416149068323) internal successors, (468), 325 states have internal predecessors, (468), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-06 22:40:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 656 transitions. [2023-11-06 22:40:59,220 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 656 transitions. Word has length 177 [2023-11-06 22:40:59,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:59,220 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 656 transitions. [2023-11-06 22:40:59,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:40:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 656 transitions. [2023-11-06 22:40:59,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:40:59,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:59,224 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:59,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:59,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:40:59,430 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:59,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:59,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1049396699, now seen corresponding path program 1 times [2023-11-06 22:40:59,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:59,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348506621] [2023-11-06 22:40:59,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:59,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:59,466 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:59,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1995615328] [2023-11-06 22:40:59,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:59,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:59,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:59,468 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:59,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:40:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:59,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:40:59,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:08,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:41:08,752 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:08,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:08,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348506621] [2023-11-06 22:41:08,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:08,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995615328] [2023-11-06 22:41:08,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995615328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:08,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:08,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:41:08,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938446191] [2023-11-06 22:41:08,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:08,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:41:08,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:08,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:41:08,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:41:08,754 INFO L87 Difference]: Start difference. First operand 423 states and 656 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:11,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:11,257 INFO L93 Difference]: Finished difference Result 1147 states and 1766 transitions. [2023-11-06 22:41:11,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-06 22:41:11,258 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2023-11-06 22:41:11,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:11,263 INFO L225 Difference]: With dead ends: 1147 [2023-11-06 22:41:11,263 INFO L226 Difference]: Without dead ends: 740 [2023-11-06 22:41:11,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:41:11,266 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 419 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:11,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1005 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:41:11,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2023-11-06 22:41:11,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 452. [2023-11-06 22:41:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 351 states have (on average 1.4615384615384615) internal successors, (513), 354 states have internal predecessors, (513), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-06 22:41:11,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 701 transitions. [2023-11-06 22:41:11,323 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 701 transitions. Word has length 177 [2023-11-06 22:41:11,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:11,324 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 701 transitions. [2023-11-06 22:41:11,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:11,324 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 701 transitions. [2023-11-06 22:41:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:41:11,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:11,327 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:11,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-06 22:41:11,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:41:11,534 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:11,534 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:11,534 INFO L85 PathProgramCache]: Analyzing trace with hash -31721047, now seen corresponding path program 1 times [2023-11-06 22:41:11,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:11,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786705332] [2023-11-06 22:41:11,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:11,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:11,561 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:11,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533265000] [2023-11-06 22:41:11,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:11,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:11,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:11,563 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:11,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:41:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:11,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:41:11,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:41:22,796 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:22,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:22,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786705332] [2023-11-06 22:41:22,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:22,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533265000] [2023-11-06 22:41:22,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533265000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:22,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:22,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:41:22,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378230856] [2023-11-06 22:41:22,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:22,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:41:22,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:22,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:41:22,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:41:22,800 INFO L87 Difference]: Start difference. First operand 452 states and 701 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:25,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:25,533 INFO L93 Difference]: Finished difference Result 1162 states and 1789 transitions. [2023-11-06 22:41:25,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:41:25,534 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2023-11-06 22:41:25,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:25,539 INFO L225 Difference]: With dead ends: 1162 [2023-11-06 22:41:25,539 INFO L226 Difference]: Without dead ends: 726 [2023-11-06 22:41:25,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:41:25,542 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 271 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:25,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 1085 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:41:25,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2023-11-06 22:41:25,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 432. [2023-11-06 22:41:25,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 331 states have (on average 1.4501510574018126) internal successors, (480), 334 states have internal predecessors, (480), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-06 22:41:25,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 668 transitions. [2023-11-06 22:41:25,598 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 668 transitions. Word has length 177 [2023-11-06 22:41:25,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:25,599 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 668 transitions. [2023-11-06 22:41:25,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:25,600 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 668 transitions. [2023-11-06 22:41:25,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-06 22:41:25,602 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:25,602 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:25,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:25,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:41:25,814 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:25,814 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:25,814 INFO L85 PathProgramCache]: Analyzing trace with hash -440356002, now seen corresponding path program 1 times [2023-11-06 22:41:25,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:25,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737486491] [2023-11-06 22:41:25,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:25,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:25,856 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:25,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1003453884] [2023-11-06 22:41:25,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:25,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:25,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:25,860 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:25,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:41:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:26,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-06 22:41:26,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:41:30,837 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:30,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:30,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737486491] [2023-11-06 22:41:30,838 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:30,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003453884] [2023-11-06 22:41:30,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003453884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:30,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:30,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:41:30,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081430355] [2023-11-06 22:41:30,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:30,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:41:30,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:30,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:41:30,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:41:30,846 INFO L87 Difference]: Start difference. First operand 432 states and 668 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:31,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:31,875 INFO L93 Difference]: Finished difference Result 807 states and 1241 transitions. [2023-11-06 22:41:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:41:31,876 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2023-11-06 22:41:31,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:31,880 INFO L225 Difference]: With dead ends: 807 [2023-11-06 22:41:31,880 INFO L226 Difference]: Without dead ends: 586 [2023-11-06 22:41:31,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:41:31,882 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 460 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:31,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 924 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:41:31,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2023-11-06 22:41:31,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 399. [2023-11-06 22:41:31,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 339 states have (on average 1.4926253687315634) internal successors, (506), 340 states have internal predecessors, (506), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:41:31,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 614 transitions. [2023-11-06 22:41:31,926 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 614 transitions. Word has length 178 [2023-11-06 22:41:31,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:31,926 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 614 transitions. [2023-11-06 22:41:31,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:31,927 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 614 transitions. [2023-11-06 22:41:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-06 22:41:31,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:31,929 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:31,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-06 22:41:32,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 22:41:32,135 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:32,135 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:32,136 INFO L85 PathProgramCache]: Analyzing trace with hash -2129299744, now seen corresponding path program 1 times [2023-11-06 22:41:32,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:32,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121838648] [2023-11-06 22:41:32,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:32,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:32,170 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:32,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1976688770] [2023-11-06 22:41:32,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:32,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:32,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:32,172 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:32,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:41:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:32,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-06 22:41:32,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:41:35,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:35,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:35,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121838648] [2023-11-06 22:41:35,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:35,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976688770] [2023-11-06 22:41:35,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976688770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:35,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:35,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:41:35,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394711257] [2023-11-06 22:41:35,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:35,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:41:35,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:35,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:41:35,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:41:35,018 INFO L87 Difference]: Start difference. First operand 399 states and 614 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:36,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:36,381 INFO L93 Difference]: Finished difference Result 814 states and 1239 transitions. [2023-11-06 22:41:36,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-06 22:41:36,382 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2023-11-06 22:41:36,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:36,386 INFO L225 Difference]: With dead ends: 814 [2023-11-06 22:41:36,386 INFO L226 Difference]: Without dead ends: 558 [2023-11-06 22:41:36,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:41:36,388 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 638 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:36,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 718 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:41:36,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2023-11-06 22:41:36,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 420. [2023-11-06 22:41:36,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 360 states have (on average 1.4972222222222222) internal successors, (539), 361 states have internal predecessors, (539), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:41:36,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 647 transitions. [2023-11-06 22:41:36,431 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 647 transitions. Word has length 178 [2023-11-06 22:41:36,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:36,431 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 647 transitions. [2023-11-06 22:41:36,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:36,432 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 647 transitions. [2023-11-06 22:41:36,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-06 22:41:36,433 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:36,434 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:36,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:36,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 22:41:36,640 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:36,641 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:36,641 INFO L85 PathProgramCache]: Analyzing trace with hash 2049172960, now seen corresponding path program 1 times [2023-11-06 22:41:36,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:36,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882334798] [2023-11-06 22:41:36,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:36,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:36,684 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:36,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942399334] [2023-11-06 22:41:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:36,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:36,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:36,686 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:36,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:41:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:36,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:41:36,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:41:41,703 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:41,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:41,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882334798] [2023-11-06 22:41:41,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:41,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942399334] [2023-11-06 22:41:41,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942399334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:41,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:41,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:41:41,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422051051] [2023-11-06 22:41:41,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:41,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:41:41,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:41,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:41:41,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:41:41,706 INFO L87 Difference]: Start difference. First operand 420 states and 647 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:42,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:42,645 INFO L93 Difference]: Finished difference Result 834 states and 1271 transitions. [2023-11-06 22:41:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:41:42,646 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2023-11-06 22:41:42,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:42,650 INFO L225 Difference]: With dead ends: 834 [2023-11-06 22:41:42,650 INFO L226 Difference]: Without dead ends: 557 [2023-11-06 22:41:42,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:41:42,652 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 402 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:42,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1069 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:41:42,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2023-11-06 22:41:42,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 448. [2023-11-06 22:41:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 388 states have (on average 1.5) internal successors, (582), 389 states have internal predecessors, (582), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:41:42,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 690 transitions. [2023-11-06 22:41:42,696 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 690 transitions. Word has length 178 [2023-11-06 22:41:42,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:42,697 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 690 transitions. [2023-11-06 22:41:42,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:42,697 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 690 transitions. [2023-11-06 22:41:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-06 22:41:42,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:42,699 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:42,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:42,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:41:42,905 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:42,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:42,906 INFO L85 PathProgramCache]: Analyzing trace with hash 360229218, now seen corresponding path program 1 times [2023-11-06 22:41:42,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:42,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944877062] [2023-11-06 22:41:42,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:42,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:42,961 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:42,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757108155] [2023-11-06 22:41:42,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:42,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:42,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:42,963 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:42,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:41:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:43,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:41:43,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:43,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:41:43,188 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:43,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:43,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944877062] [2023-11-06 22:41:43,189 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:43,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757108155] [2023-11-06 22:41:43,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757108155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:43,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:43,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:41:43,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154197493] [2023-11-06 22:41:43,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:43,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:41:43,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:43,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:41:43,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:41:43,192 INFO L87 Difference]: Start difference. First operand 448 states and 690 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:43,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:43,414 INFO L93 Difference]: Finished difference Result 1260 states and 1924 transitions. [2023-11-06 22:41:43,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:41:43,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2023-11-06 22:41:43,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:43,421 INFO L225 Difference]: With dead ends: 1260 [2023-11-06 22:41:43,421 INFO L226 Difference]: Without dead ends: 955 [2023-11-06 22:41:43,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 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 22:41:43,423 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 252 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:43,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 610 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:41:43,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2023-11-06 22:41:43,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 500. [2023-11-06 22:41:43,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 440 states have (on average 1.509090909090909) internal successors, (664), 441 states have internal predecessors, (664), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:41:43,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 772 transitions. [2023-11-06 22:41:43,483 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 772 transitions. Word has length 178 [2023-11-06 22:41:43,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:43,484 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 772 transitions. [2023-11-06 22:41:43,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:43,484 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 772 transitions. [2023-11-06 22:41:43,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-06 22:41:43,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:43,486 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:43,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:43,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 22:41:43,693 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:43,693 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:43,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1228118684, now seen corresponding path program 1 times [2023-11-06 22:41:43,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:43,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145289483] [2023-11-06 22:41:43,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:43,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:43,716 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:43,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1489927048] [2023-11-06 22:41:43,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:43,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:43,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:43,718 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:43,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:41:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:43,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:41:43,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:41:47,779 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:47,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:47,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145289483] [2023-11-06 22:41:47,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:47,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489927048] [2023-11-06 22:41:47,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489927048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:47,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:47,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:41:47,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112525746] [2023-11-06 22:41:47,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:47,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:41:47,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:47,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:41:47,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:41:47,783 INFO L87 Difference]: Start difference. First operand 500 states and 772 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:48,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:48,558 INFO L93 Difference]: Finished difference Result 966 states and 1474 transitions. [2023-11-06 22:41:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:41:48,559 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2023-11-06 22:41:48,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:48,563 INFO L225 Difference]: With dead ends: 966 [2023-11-06 22:41:48,563 INFO L226 Difference]: Without dead ends: 609 [2023-11-06 22:41:48,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:41:48,565 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 427 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:48,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 875 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:41:48,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2023-11-06 22:41:48,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 507. [2023-11-06 22:41:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 447 states have (on average 1.5100671140939597) internal successors, (675), 448 states have internal predecessors, (675), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:41:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 783 transitions. [2023-11-06 22:41:48,614 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 783 transitions. Word has length 178 [2023-11-06 22:41:48,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:48,615 INFO L495 AbstractCegarLoop]: Abstraction has 507 states and 783 transitions. [2023-11-06 22:41:48,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:48,615 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 783 transitions. [2023-11-06 22:41:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-06 22:41:48,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:48,617 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:48,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:48,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:41:48,823 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:48,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:48,824 INFO L85 PathProgramCache]: Analyzing trace with hash -580904612, now seen corresponding path program 1 times [2023-11-06 22:41:48,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:48,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343415417] [2023-11-06 22:41:48,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:48,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:48,855 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:48,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2008483347] [2023-11-06 22:41:48,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:48,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:48,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:48,857 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:48,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 22:41:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:49,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:41:49,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:41:56,778 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:56,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:56,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343415417] [2023-11-06 22:41:56,778 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:56,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008483347] [2023-11-06 22:41:56,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008483347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:56,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:56,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:41:56,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627058630] [2023-11-06 22:41:56,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:56,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:41:56,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:56,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:41:56,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:41:56,781 INFO L87 Difference]: Start difference. First operand 507 states and 783 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:41:59,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Real, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-06 22:42:01,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Real, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-06 22:42:03,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:03,240 INFO L93 Difference]: Finished difference Result 1049 states and 1605 transitions. [2023-11-06 22:42:03,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:42:03,241 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2023-11-06 22:42:03,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:03,245 INFO L225 Difference]: With dead ends: 1049 [2023-11-06 22:42:03,245 INFO L226 Difference]: Without dead ends: 685 [2023-11-06 22:42:03,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:42:03,247 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 535 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:03,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 695 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 528 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2023-11-06 22:42:03,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2023-11-06 22:42:03,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 519. [2023-11-06 22:42:03,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 459 states have (on average 1.514161220043573) internal successors, (695), 460 states have internal predecessors, (695), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:42:03,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 803 transitions. [2023-11-06 22:42:03,287 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 803 transitions. Word has length 178 [2023-11-06 22:42:03,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:03,287 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 803 transitions. [2023-11-06 22:42:03,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:03,288 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 803 transitions. [2023-11-06 22:42:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-06 22:42:03,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:03,290 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:03,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:03,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:42:03,504 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:03,504 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:03,504 INFO L85 PathProgramCache]: Analyzing trace with hash 2025118942, now seen corresponding path program 1 times [2023-11-06 22:42:03,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:03,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486309213] [2023-11-06 22:42:03,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:03,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:03,529 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:03,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1825072433] [2023-11-06 22:42:03,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:03,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:03,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:03,531 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:03,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 22:42:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:03,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 22:42:03,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:42:10,243 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:10,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:10,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486309213] [2023-11-06 22:42:10,244 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:10,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825072433] [2023-11-06 22:42:10,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825072433] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:10,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:10,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:42:10,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852373980] [2023-11-06 22:42:10,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:10,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:42:10,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:10,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:42:10,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:42:10,247 INFO L87 Difference]: Start difference. First operand 519 states and 803 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:12,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:12,135 INFO L93 Difference]: Finished difference Result 1059 states and 1624 transitions. [2023-11-06 22:42:12,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-06 22:42:12,135 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2023-11-06 22:42:12,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:12,140 INFO L225 Difference]: With dead ends: 1059 [2023-11-06 22:42:12,140 INFO L226 Difference]: Without dead ends: 683 [2023-11-06 22:42:12,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:42:12,142 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 456 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:12,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 765 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:42:12,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2023-11-06 22:42:12,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 519. [2023-11-06 22:42:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 459 states have (on average 1.514161220043573) internal successors, (695), 460 states have internal predecessors, (695), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:42:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 803 transitions. [2023-11-06 22:42:12,194 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 803 transitions. Word has length 178 [2023-11-06 22:42:12,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:12,195 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 803 transitions. [2023-11-06 22:42:12,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 803 transitions. [2023-11-06 22:42:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-06 22:42:12,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:12,198 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:12,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:12,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:12,404 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:12,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:12,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1908624350, now seen corresponding path program 1 times [2023-11-06 22:42:12,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:12,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449428685] [2023-11-06 22:42:12,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:12,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:12,428 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:12,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1285795481] [2023-11-06 22:42:12,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:12,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:12,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:12,430 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:12,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 22:42:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:12,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:42:12,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:18,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:42:18,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:18,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:18,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449428685] [2023-11-06 22:42:18,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:18,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285795481] [2023-11-06 22:42:18,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285795481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:18,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:18,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:42:18,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653815613] [2023-11-06 22:42:18,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:18,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:42:18,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:18,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:42:18,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:42:18,180 INFO L87 Difference]: Start difference. First operand 519 states and 803 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:20,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:20,447 INFO L93 Difference]: Finished difference Result 1062 states and 1624 transitions. [2023-11-06 22:42:20,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 22:42:20,448 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2023-11-06 22:42:20,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:20,452 INFO L225 Difference]: With dead ends: 1062 [2023-11-06 22:42:20,452 INFO L226 Difference]: Without dead ends: 686 [2023-11-06 22:42:20,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:42:20,454 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 492 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:20,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 1062 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:42:20,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2023-11-06 22:42:20,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 509. [2023-11-06 22:42:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 449 states have (on average 1.4988864142538976) internal successors, (673), 450 states have internal predecessors, (673), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:42:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 781 transitions. [2023-11-06 22:42:20,509 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 781 transitions. Word has length 178 [2023-11-06 22:42:20,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:20,509 INFO L495 AbstractCegarLoop]: Abstraction has 509 states and 781 transitions. [2023-11-06 22:42:20,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 781 transitions. [2023-11-06 22:42:20,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-06 22:42:20,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:20,512 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:20,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:20,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:20,718 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:20,719 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:20,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1368667294, now seen corresponding path program 1 times [2023-11-06 22:42:20,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:20,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107828479] [2023-11-06 22:42:20,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:20,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:20,744 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:20,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [727460446] [2023-11-06 22:42:20,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:20,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:20,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:20,746 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:20,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-06 22:42:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:20,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:42:20,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:42:27,700 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:27,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:27,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107828479] [2023-11-06 22:42:27,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:27,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727460446] [2023-11-06 22:42:27,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727460446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:27,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:27,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:42:27,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178022106] [2023-11-06 22:42:27,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:27,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:42:27,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:27,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:42:27,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:42:27,703 INFO L87 Difference]: Start difference. First operand 509 states and 781 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:29,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:29,531 INFO L93 Difference]: Finished difference Result 1040 states and 1581 transitions. [2023-11-06 22:42:29,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:42:29,535 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2023-11-06 22:42:29,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:29,540 INFO L225 Difference]: With dead ends: 1040 [2023-11-06 22:42:29,540 INFO L226 Difference]: Without dead ends: 674 [2023-11-06 22:42:29,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:42:29,542 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 317 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:29,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 934 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:42:29,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2023-11-06 22:42:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 490. [2023-11-06 22:42:29,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 430 states have (on average 1.4953488372093022) internal successors, (643), 431 states have internal predecessors, (643), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:42:29,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 751 transitions. [2023-11-06 22:42:29,596 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 751 transitions. Word has length 178 [2023-11-06 22:42:29,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:29,596 INFO L495 AbstractCegarLoop]: Abstraction has 490 states and 751 transitions. [2023-11-06 22:42:29,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 751 transitions. [2023-11-06 22:42:29,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-06 22:42:29,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:29,599 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:29,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:29,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:29,805 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:29,806 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:29,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1297520320, now seen corresponding path program 1 times [2023-11-06 22:42:29,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:29,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13664166] [2023-11-06 22:42:29,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:29,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:29,830 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:29,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658799383] [2023-11-06 22:42:29,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:29,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:29,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:29,832 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:29,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-06 22:42:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:30,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:42:30,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:42:30,242 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:30,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:30,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13664166] [2023-11-06 22:42:30,242 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:30,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658799383] [2023-11-06 22:42:30,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658799383] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:30,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:30,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:42:30,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841430861] [2023-11-06 22:42:30,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:30,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:42:30,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:30,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:42:30,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:42:30,244 INFO L87 Difference]: Start difference. First operand 490 states and 751 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:30,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:30,439 INFO L93 Difference]: Finished difference Result 1534 states and 2356 transitions. [2023-11-06 22:42:30,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:42:30,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 179 [2023-11-06 22:42:30,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:30,447 INFO L225 Difference]: With dead ends: 1534 [2023-11-06 22:42:30,447 INFO L226 Difference]: Without dead ends: 1047 [2023-11-06 22:42:30,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:42:30,449 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 201 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:30,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 603 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:42:30,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2023-11-06 22:42:30,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 879. [2023-11-06 22:42:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 760 states have (on average 1.4710526315789474) internal successors, (1118), 762 states have internal predecessors, (1118), 108 states have call successors, (108), 10 states have call predecessors, (108), 10 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-06 22:42:30,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1334 transitions. [2023-11-06 22:42:30,553 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1334 transitions. Word has length 179 [2023-11-06 22:42:30,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:30,553 INFO L495 AbstractCegarLoop]: Abstraction has 879 states and 1334 transitions. [2023-11-06 22:42:30,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:30,554 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1334 transitions. [2023-11-06 22:42:30,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-06 22:42:30,556 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:30,556 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:30,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:30,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:30,762 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:30,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:30,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1074218942, now seen corresponding path program 1 times [2023-11-06 22:42:30,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:30,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056284877] [2023-11-06 22:42:30,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:30,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:30,797 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:30,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097276111] [2023-11-06 22:42:30,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:30,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:30,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:30,803 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:30,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-06 22:42:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:42:31,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:42:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:42:31,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:42:31,234 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:42:31,235 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:42:31,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:31,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:31,452 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:31,457 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:42:31,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:42:31 BoogieIcfgContainer [2023-11-06 22:42:31,614 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:42:31,614 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:42:31,614 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:42:31,615 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:42:31,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:57" (3/4) ... [2023-11-06 22:42:31,617 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:42:31,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:42:31,619 INFO L158 Benchmark]: Toolchain (without parser) took 155313.58ms. Allocated memory was 138.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 77.9MB in the beginning and 532.9MB in the end (delta: -455.0MB). Peak memory consumption was 708.4MB. Max. memory is 16.1GB. [2023-11-06 22:42:31,620 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory was 102.3MB in the beginning and 102.3MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:42:31,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.62ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 77.9MB in the beginning and 163.5MB in the end (delta: -85.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:42:31,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.06ms. Allocated memory is still 197.1MB. Free memory was 162.5MB in the beginning and 156.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:42:31,621 INFO L158 Benchmark]: Boogie Preprocessor took 100.27ms. Allocated memory is still 197.1MB. Free memory was 156.2MB in the beginning and 153.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:42:31,621 INFO L158 Benchmark]: RCFGBuilder took 878.70ms. Allocated memory is still 197.1MB. Free memory was 153.0MB in the beginning and 118.4MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-06 22:42:31,622 INFO L158 Benchmark]: TraceAbstraction took 153710.39ms. Allocated memory was 197.1MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 118.4MB in the beginning and 532.9MB in the end (delta: -414.5MB). Peak memory consumption was 689.6MB. Max. memory is 16.1GB. [2023-11-06 22:42:31,622 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 1.3GB. Free memory is still 532.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:42:31,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory was 102.3MB in the beginning and 102.3MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.62ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 77.9MB in the beginning and 163.5MB in the end (delta: -85.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.06ms. Allocated memory is still 197.1MB. Free memory was 162.5MB in the beginning and 156.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.27ms. Allocated memory is still 197.1MB. Free memory was 156.2MB in the beginning and 153.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 878.70ms. Allocated memory is still 197.1MB. Free memory was 153.0MB in the beginning and 118.4MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 153710.39ms. Allocated memory was 197.1MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 118.4MB in the beginning and 532.9MB in the end (delta: -414.5MB). Peak memory consumption was 689.6MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 1.3GB. Free memory is still 532.9MB. 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 197, overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryFLOAToperation at line 113. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_6 = 4; [L24] unsigned char var_1_7 = 2; [L25] unsigned char var_1_8 = 128; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 100; [L28] signed short int var_1_11 = 10; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 1; [L31] unsigned char var_1_14 = 0; [L32] signed long int var_1_15 = 128; [L33] unsigned char var_1_16 = 128; [L34] unsigned char var_1_17 = 5; [L35] double var_1_18 = 3.6; [L36] double var_1_19 = 31.45; [L37] float var_1_20 = 50.25; [L38] float var_1_21 = 9.8; [L39] float var_1_22 = 4.65; [L40] float var_1_23 = 99.65; [L41] unsigned long int var_1_25 = 128; [L42] signed short int var_1_27 = -16; [L43] double var_1_30 = 4.5; [L44] signed char var_1_32 = -10; [L45] signed char var_1_34 = 5; [L46] unsigned char var_1_35 = 1; [L47] unsigned char var_1_36 = 1; [L48] signed short int var_1_37 = 4; [L49] signed long int var_1_38 = -16; [L50] signed char var_1_39 = -32; [L51] unsigned short int last_1_var_1_1 = 4; [L52] unsigned char last_1_var_1_6 = 4; [L53] signed short int last_1_var_1_11 = 10; [L54] signed long int last_1_var_1_15 = 128; VAL [isInitial=0, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L201] isInitial = 1 [L202] FCALL initially() [L203] COND TRUE 1 [L204] CALL updateLastVariables() [L191] last_1_var_1_1 = var_1_1 [L192] last_1_var_1_6 = var_1_6 [L193] last_1_var_1_11 = var_1_11 [L194] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L204] RET updateLastVariables() [L205] CALL updateVariables() [L148] var_1_7 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_8=128, var_1_9=0] [L149] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_8=128, var_1_9=0] [L150] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=128, var_1_9=0] [L150] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=128, var_1_9=0] [L151] var_1_8 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L152] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L153] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L153] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L154] var_1_9 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L155] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L156] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L156] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L157] var_1_10 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L158] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L159] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L159] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L160] var_1_12 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L161] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L162] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L162] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L163] var_1_13 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L164] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L165] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L165] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L166] var_1_14 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L167] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L168] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L168] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L169] var_1_16 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L170] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L171] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L171] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L172] var_1_17 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L173] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L174] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L174] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L175] var_1_19 = __VERIFIER_nondet_double() [L176] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L176] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L177] var_1_21 = __VERIFIER_nondet_float() [L178] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L178] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=93/20, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L179] var_1_22 = __VERIFIER_nondet_float() [L180] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L180] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=1993/20, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L181] var_1_23 = __VERIFIER_nondet_float() [L182] CALL assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L182] RET assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=5, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L183] var_1_34 = __VERIFIER_nondet_char() [L184] CALL assume_abort_if_not(var_1_34 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L184] RET assume_abort_if_not(var_1_34 >= -126) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L185] CALL assume_abort_if_not(var_1_34 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L185] RET assume_abort_if_not(var_1_34 <= 126) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L186] var_1_36 = __VERIFIER_nondet_uchar() [L187] CALL assume_abort_if_not(var_1_36 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L187] RET assume_abort_if_not(var_1_36 >= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L188] CALL assume_abort_if_not(var_1_36 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L188] RET assume_abort_if_not(var_1_36 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L205] RET updateVariables() [L206] CALL step() [L58] unsigned char stepLocal_2 = var_1_14; VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_2=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L59] COND FALSE !(\read(var_1_12)) [L70] var_1_11 = last_1_var_1_11 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_2=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L72] signed long int stepLocal_1 = last_1_var_1_1; VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_1=4, stepLocal_2=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=4, var_1_7=0, var_1_8=0, var_1_9=0] [L73] COND TRUE stepLocal_1 < 5 [L74] var_1_6 = ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_1=4, stepLocal_2=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L78] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L79] COND TRUE var_1_11 <= stepLocal_0 [L80] var_1_1 = ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=10, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L82] signed long int stepLocal_5 = 0; VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=10, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L83] COND FALSE !(\read(var_1_13)) [L96] var_1_20 = var_1_23 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L98] unsigned char stepLocal_3 = var_1_6; VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L99] COND TRUE stepLocal_3 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17) [L100] var_1_15 = (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L104] unsigned short int stepLocal_4 = var_1_1; VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L105] EXPR 200 << var_1_15 VAL [200 << var_1_15=200, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L105] COND TRUE ((200 << var_1_15) * (var_1_17 * var_1_7)) < stepLocal_4 [L106] var_1_18 = var_1_19 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=128, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L108] var_1_25 = var_1_10 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=-16, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L109] COND TRUE (var_1_9 < ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) || var_1_13 [L110] var_1_27 = var_1_7 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=0, var_1_30=9/2, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L112] COND TRUE ! var_1_12 [L113] var_1_30 = ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=0, var_1_30=6, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L115] EXPR var_1_7 & var_1_10 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=0, var_1_30=6, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7 & var_1_10=0, var_1_7=0, var_1_8=0, var_1_9=0] [L115] COND FALSE !(var_1_17 <= (~ (var_1_7 & var_1_10))) [L118] COND TRUE var_1_7 <= var_1_17 [L119] var_1_35 = var_1_36 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=0, var_1_30=6, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=4, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L121] COND TRUE var_1_34 <= var_1_17 [L122] var_1_37 = (((((32 - 2)) < (var_1_6)) ? ((32 - 2)) : (var_1_6))) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=0, var_1_30=6, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=10, var_1_38=-16, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L134] COND TRUE var_1_22 <= 9.6 [L135] var_1_38 = (((((var_1_34 + var_1_17)) > (var_1_16)) ? ((var_1_34 + var_1_17)) : (var_1_16))) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=0, var_1_30=6, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=10, var_1_38=127, var_1_39=-32, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L145] var_1_39 = var_1_34 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, stepLocal_0=10, stepLocal_1=4, stepLocal_2=0, stepLocal_3=10, stepLocal_4=10, stepLocal_5=0, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=0, var_1_30=6, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=10, var_1_38=127, var_1_39=0, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L206] RET step() [L207] CALL, EXPR property() [L197] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) VAL [(((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=0, var_1_30=6, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=10, var_1_38=127, var_1_39=0, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L197] EXPR 200 << var_1_15 VAL [(((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1)=1, 200 << var_1_15=200, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=0, var_1_30=6, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=10, var_1_38=127, var_1_39=0, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L197] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) VAL [(((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1)=1, 200 << var_1_15=200, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=0, var_1_30=6, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=10, var_1_38=127, var_1_39=0, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L197-L198] return ((((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1)) && (var_1_13 ? (var_1_14 ? (var_1_12 ? (var_1_20 == ((float) (var_1_21 + ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) : 1) : ((var_1_6 <= 0) ? (var_1_20 == ((float) var_1_19)) : (var_1_20 == ((float) var_1_22)))) : (var_1_20 == ((float) var_1_23))) ; [L207] RET, EXPR property() [L207] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=0, var_1_30=6, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=10, var_1_38=127, var_1_39=0, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=10, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=10, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_25=10, var_1_27=0, var_1_30=6, var_1_32=-10, var_1_34=0, var_1_35=1, var_1_36=1, var_1_37=10, var_1_38=127, var_1_39=0, var_1_6=10, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 153.5s, OverallIterations: 23, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 31.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 8429 SdHoareTripleChecker+Valid, 20.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8429 mSDsluCounter, 16479 SdHoareTripleChecker+Invalid, 18.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12428 mSDsCounter, 645 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8839 IncrementalHoareTripleChecker+Invalid, 9486 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 645 mSolverCounterUnsat, 4051 mSDtfsCounter, 8839 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4059 GetRequests, 3730 SyntacticMatches, 0 SemanticMatches, 329 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1023 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=879occurred in iteration=22, InterpolantAutomatonStates: 341, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 22 MinimizatonAttempts, 3521 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 109.3s InterpolantComputationTime, 4261 NumberOfCodeBlocks, 4261 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3883 ConstructedInterpolants, 0 QuantifiedInterpolants, 39620 SizeOfPredicates, 328 NumberOfNonLiveVariables, 9632 ConjunctsInSsa, 344 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28600/28600 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 22:42:31,867 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-06 22:42:31,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 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_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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_288fae63-5e69-46b3-9474-0e0ddbad46bf/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 d1cb787af494abcaff939caeb847017cf6182011ac4c5e249d82499aa017392f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:42:34,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:42:34,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:42:34,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:42:34,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:42:34,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:42:34,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:42:34,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:42:34,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:42:34,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:42:34,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:42:34,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:42:34,568 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:42:34,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:42:34,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:42:34,571 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:42:34,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:42:34,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:42:34,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:42:34,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:42:34,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:42:34,574 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:42:34,575 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:42:34,575 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:42:34,576 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:42:34,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:42:34,576 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:42:34,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:42:34,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:42:34,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:42:34,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:34,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:42:34,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:42:34,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:42:34,581 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:42:34,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:42:34,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:42:34,582 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:42:34,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:42:34,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:42:34,583 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:42:34,584 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:42:34,584 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_288fae63-5e69-46b3-9474-0e0ddbad46bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1cb787af494abcaff939caeb847017cf6182011ac4c5e249d82499aa017392f [2023-11-06 22:42:34,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:42:35,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:42:35,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:42:35,007 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:42:35,007 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:42:35,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.i [2023-11-06 22:42:38,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:42:38,585 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:42:38,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.i [2023-11-06 22:42:38,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/data/405dc0bb8/05d365f1567045ad9289b09898982216/FLAGe264a5a32 [2023-11-06 22:42:38,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/data/405dc0bb8/05d365f1567045ad9289b09898982216 [2023-11-06 22:42:38,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:42:38,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:42:38,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:38,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:42:38,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:42:38,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:38" (1/1) ... [2023-11-06 22:42:38,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6af778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:38, skipping insertion in model container [2023-11-06 22:42:38,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:38" (1/1) ... [2023-11-06 22:42:38,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:42:38,870 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_288fae63-5e69-46b3-9474-0e0ddbad46bf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.i[919,932] [2023-11-06 22:42:39,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:39,017 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:42:39,034 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_288fae63-5e69-46b3-9474-0e0ddbad46bf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.i[919,932] [2023-11-06 22:42:39,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:39,167 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:42:39,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39 WrapperNode [2023-11-06 22:42:39,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:39,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:39,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:42:39,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:42:39,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39" (1/1) ... [2023-11-06 22:42:39,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39" (1/1) ... [2023-11-06 22:42:39,279 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 196 [2023-11-06 22:42:39,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:39,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:42:39,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:42:39,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:42:39,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39" (1/1) ... [2023-11-06 22:42:39,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39" (1/1) ... [2023-11-06 22:42:39,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39" (1/1) ... [2023-11-06 22:42:39,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39" (1/1) ... [2023-11-06 22:42:39,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39" (1/1) ... [2023-11-06 22:42:39,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39" (1/1) ... [2023-11-06 22:42:39,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39" (1/1) ... [2023-11-06 22:42:39,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39" (1/1) ... [2023-11-06 22:42:39,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:42:39,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:42:39,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:42:39,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:42:39,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39" (1/1) ... [2023-11-06 22:42:39,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:39,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:39,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:39,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:42:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:42:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:42:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:42:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:42:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:42:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:42:39,612 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:42:39,615 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:42:40,789 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:42:40,796 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:42:40,797 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:42:40,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:40 BoogieIcfgContainer [2023-11-06 22:42:40,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:42:40,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:42:40,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:42:40,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:42:40,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:42:38" (1/3) ... [2023-11-06 22:42:40,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d85e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:40, skipping insertion in model container [2023-11-06 22:42:40,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:39" (2/3) ... [2023-11-06 22:42:40,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d85e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:40, skipping insertion in model container [2023-11-06 22:42:40,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:40" (3/3) ... [2023-11-06 22:42:40,810 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-28.i [2023-11-06 22:42:40,830 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:42:40,831 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:42:40,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:42:40,898 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;@599cad48, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:42:40,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:42:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 60 states have internal predecessors, (85), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:42:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-06 22:42:40,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:40,932 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:40,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:40,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:40,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1851047157, now seen corresponding path program 1 times [2023-11-06 22:42:40,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:40,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504455130] [2023-11-06 22:42:40,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:40,963 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 22:42:40,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:40,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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 22:42:41,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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 22:42:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:41,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:42:41,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2023-11-06 22:42:41,566 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:41,566 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:42:41,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504455130] [2023-11-06 22:42:41,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504455130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:41,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:41,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:42:41,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287615970] [2023-11-06 22:42:41,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:41,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:42:41,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:42:41,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:42:41,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:41,612 INFO L87 Difference]: Start difference. First operand has 88 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 60 states have internal predecessors, (85), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-06 22:42:41,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:41,649 INFO L93 Difference]: Finished difference Result 169 states and 294 transitions. [2023-11-06 22:42:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:42:41,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 173 [2023-11-06 22:42:41,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:41,661 INFO L225 Difference]: With dead ends: 169 [2023-11-06 22:42:41,661 INFO L226 Difference]: Without dead ends: 84 [2023-11-06 22:42:41,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 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 22:42:41,669 INFO L413 NwaCegarLoop]: 129 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, 129 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 22:42:41,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:42:41,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-06 22:42:41,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-06 22:42:41,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.375) internal successors, (77), 56 states have internal predecessors, (77), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:42:41,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 129 transitions. [2023-11-06 22:42:41,723 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 129 transitions. Word has length 173 [2023-11-06 22:42:41,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:41,724 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 129 transitions. [2023-11-06 22:42:41,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-06 22:42:41,725 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2023-11-06 22:42:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-06 22:42:41,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:41,730 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:41,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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 22:42:41,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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 22:42:41,938 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:41,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:41,939 INFO L85 PathProgramCache]: Analyzing trace with hash 159884115, now seen corresponding path program 1 times [2023-11-06 22:42:41,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:41,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425766720] [2023-11-06 22:42:41,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:41,941 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 22:42:41,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:41,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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 22:42:41,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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 22:42:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:42,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:42:42,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:42:42,962 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:42,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:42:42,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425766720] [2023-11-06 22:42:42,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425766720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:42,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:42,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:42:42,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226711511] [2023-11-06 22:42:42,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:42,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:42:42,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:42:42,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:42:42,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:42:42,982 INFO L87 Difference]: Start difference. First operand 84 states and 129 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:44,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:44,550 INFO L93 Difference]: Finished difference Result 274 states and 424 transitions. [2023-11-06 22:42:44,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:42:44,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2023-11-06 22:42:44,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:44,565 INFO L225 Difference]: With dead ends: 274 [2023-11-06 22:42:44,565 INFO L226 Difference]: Without dead ends: 193 [2023-11-06 22:42:44,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 169 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 22:42:44,568 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 166 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:44,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 530 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:42:44,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-06 22:42:44,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 163. [2023-11-06 22:42:44,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 108 states have (on average 1.3796296296296295) internal successors, (149), 108 states have internal predecessors, (149), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-06 22:42:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 253 transitions. [2023-11-06 22:42:44,611 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 253 transitions. Word has length 173 [2023-11-06 22:42:44,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:44,613 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 253 transitions. [2023-11-06 22:42:44,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 253 transitions. [2023-11-06 22:42:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-06 22:42:44,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:44,618 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:44,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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 22:42:44,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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 22:42:44,832 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:44,833 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:44,833 INFO L85 PathProgramCache]: Analyzing trace with hash -262817711, now seen corresponding path program 1 times [2023-11-06 22:42:44,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:44,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040863499] [2023-11-06 22:42:44,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:44,834 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 22:42:44,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:44,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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 22:42:44,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288fae63-5e69-46b3-9474-0e0ddbad46bf/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 22:42:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:45,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:42:45,308 INFO L285 TraceCheckSpWp]: Computing forward predicates...