./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.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_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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_9c96e105-7f02-4fb1-b886-c83a31843915/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 d9e59086f90a4b77881e2a736ae7adfe917141d6ec019c4e22eac9e57a2e90b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:17,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:17,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:06:17,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:17,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:06:17,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:06:17,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:06:17,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:06:17,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:06:17,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:06:17,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:06:17,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:06:17,534 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:06:17,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:06:17,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:06:17,537 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:06:17,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:06:17,537 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:06:17,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:06:17,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:06:17,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:06:17,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:06:17,540 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:06:17,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:06:17,541 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:06:17,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:06:17,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:06:17,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:06:17,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:17,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:06:17,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:06:17,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:06:17,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:06:17,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:06:17,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:06:17,546 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:06:17,547 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:06:17,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:06:17,547 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:06:17,547 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_9c96e105-7f02-4fb1-b886-c83a31843915/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9e59086f90a4b77881e2a736ae7adfe917141d6ec019c4e22eac9e57a2e90b4 [2023-11-06 22:06:17,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:06:17,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:06:17,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:06:17,926 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:06:17,927 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:06:17,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2023-11-06 22:06:21,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:06:21,559 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:06:21,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2023-11-06 22:06:21,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/data/9cc6de3ea/e0f2bee0e5a242adac21810d1dcc42bb/FLAG9fc25edd4 [2023-11-06 22:06:21,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/data/9cc6de3ea/e0f2bee0e5a242adac21810d1dcc42bb [2023-11-06 22:06:21,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:06:21,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:06:21,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:21,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:06:21,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:06:21,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:21" (1/1) ... [2023-11-06 22:06:21,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402129f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:21, skipping insertion in model container [2023-11-06 22:06:21,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:21" (1/1) ... [2023-11-06 22:06:21,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:06:21,901 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_9c96e105-7f02-4fb1-b886-c83a31843915/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i[915,928] [2023-11-06 22:06:21,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:21,994 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:06:22,008 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_9c96e105-7f02-4fb1-b886-c83a31843915/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i[915,928] [2023-11-06 22:06:22,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:22,070 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:06:22,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22 WrapperNode [2023-11-06 22:06:22,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:22,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:22,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:06:22,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:06:22,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,163 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2023-11-06 22:06:22,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:22,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:06:22,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:06:22,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:06:22,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:06:22,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:06:22,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:06:22,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:06:22,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22" (1/1) ... [2023-11-06 22:06:22,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:22,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:22,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:22,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:06:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:06:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:06:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:06:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:06:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:06:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:06:22,486 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:06:22,488 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:06:22,962 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:06:22,971 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:06:22,971 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:06:22,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:22 BoogieIcfgContainer [2023-11-06 22:06:22,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:06:22,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:06:22,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:06:22,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:06:22,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:06:21" (1/3) ... [2023-11-06 22:06:22,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed1e539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:22, skipping insertion in model container [2023-11-06 22:06:22,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:22" (2/3) ... [2023-11-06 22:06:22,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed1e539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:22, skipping insertion in model container [2023-11-06 22:06:22,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:22" (3/3) ... [2023-11-06 22:06:22,990 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2023-11-06 22:06:23,013 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:06:23,014 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:06:23,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:06:23,087 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;@19b2e90b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:06:23,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:06:23,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 47 states have (on average 1.425531914893617) internal successors, (67), 48 states have internal predecessors, (67), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:06:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-06 22:06:23,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:23,112 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:23,112 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:23,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:23,119 INFO L85 PathProgramCache]: Analyzing trace with hash 188648888, now seen corresponding path program 1 times [2023-11-06 22:06:23,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:23,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829832545] [2023-11-06 22:06:23,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:23,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:23,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:23,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829832545] [2023-11-06 22:06:23,399 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:06:23,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708387210] [2023-11-06 22:06:23,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:23,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:23,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:23,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:23,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:06:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:23,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:06:23,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-06 22:06:23,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:23,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708387210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:23,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:23,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:23,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307668696] [2023-11-06 22:06:23,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:23,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:06:23,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:23,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:06:23,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:06:23,880 INFO L87 Difference]: Start difference. First operand has 69 states, 47 states have (on average 1.425531914893617) internal successors, (67), 48 states have internal predecessors, (67), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:06:23,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:23,916 INFO L93 Difference]: Finished difference Result 131 states and 223 transitions. [2023-11-06 22:06:23,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:06:23,919 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 130 [2023-11-06 22:06:23,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:23,928 INFO L225 Difference]: With dead ends: 131 [2023-11-06 22:06:23,929 INFO L226 Difference]: Without dead ends: 65 [2023-11-06 22:06:23,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 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 22:06:23,938 INFO L413 NwaCegarLoop]: 98 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, 98 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 22:06:23,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:23,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-06 22:06:23,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-06 22:06:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 44 states have internal predecessors, (60), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:06:23,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 98 transitions. [2023-11-06 22:06:23,993 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 98 transitions. Word has length 130 [2023-11-06 22:06:23,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:23,994 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 98 transitions. [2023-11-06 22:06:23,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:06:23,994 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2023-11-06 22:06:23,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-06 22:06:23,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:23,999 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:24,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:06:24,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:06:24,210 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:24,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:24,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1715701638, now seen corresponding path program 1 times [2023-11-06 22:06:24,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:24,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816302458] [2023-11-06 22:06:24,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:24,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:24,321 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:24,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [425573640] [2023-11-06 22:06:24,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:24,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:24,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:24,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:24,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:06:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:24,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:06:24,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:25,233 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:06:25,234 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:25,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:25,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816302458] [2023-11-06 22:06:25,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:25,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425573640] [2023-11-06 22:06:25,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425573640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:25,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:25,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:25,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727208770] [2023-11-06 22:06:25,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:25,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:25,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:25,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:25,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:25,240 INFO L87 Difference]: Start difference. First operand 65 states and 98 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:25,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:25,435 INFO L93 Difference]: Finished difference Result 190 states and 289 transitions. [2023-11-06 22:06:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:06:25,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 130 [2023-11-06 22:06:25,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:25,441 INFO L225 Difference]: With dead ends: 190 [2023-11-06 22:06:25,442 INFO L226 Difference]: Without dead ends: 128 [2023-11-06 22:06:25,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:06:25,445 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 85 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:25,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 329 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:25,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-06 22:06:25,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 107. [2023-11-06 22:06:25,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 66 states have (on average 1.303030303030303) internal successors, (86), 66 states have internal predecessors, (86), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 22:06:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 162 transitions. [2023-11-06 22:06:25,482 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 162 transitions. Word has length 130 [2023-11-06 22:06:25,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:25,483 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 162 transitions. [2023-11-06 22:06:25,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:25,484 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2023-11-06 22:06:25,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-06 22:06:25,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:25,487 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:25,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:25,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-06 22:06:25,695 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:25,696 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:25,696 INFO L85 PathProgramCache]: Analyzing trace with hash -800295382, now seen corresponding path program 1 times [2023-11-06 22:06:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:25,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013798503] [2023-11-06 22:06:25,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:25,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:25,800 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:25,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [459491703] [2023-11-06 22:06:25,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:25,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:25,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:25,815 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:25,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:06:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:25,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:06:26,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 443 proven. 51 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-06 22:06:26,455 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 54 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2023-11-06 22:06:26,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:26,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013798503] [2023-11-06 22:06:26,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:26,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459491703] [2023-11-06 22:06:26,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459491703] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:06:26,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:06:26,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2023-11-06 22:06:26,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268049517] [2023-11-06 22:06:26,964 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:06:26,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:06:26,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:26,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:06:26,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:06:26,968 INFO L87 Difference]: Start difference. First operand 107 states and 162 transitions. Second operand has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-11-06 22:06:28,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:28,339 INFO L93 Difference]: Finished difference Result 348 states and 493 transitions. [2023-11-06 22:06:28,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-06 22:06:28,340 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 131 [2023-11-06 22:06:28,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:28,351 INFO L225 Difference]: With dead ends: 348 [2023-11-06 22:06:28,351 INFO L226 Difference]: Without dead ends: 286 [2023-11-06 22:06:28,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 250 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=578, Invalid=1584, Unknown=0, NotChecked=0, Total=2162 [2023-11-06 22:06:28,361 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 297 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:28,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 592 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:06:28,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-11-06 22:06:28,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 190. [2023-11-06 22:06:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 123 states have (on average 1.2764227642276422) internal successors, (157), 123 states have internal predecessors, (157), 57 states have call successors, (57), 9 states have call predecessors, (57), 9 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-06 22:06:28,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 271 transitions. [2023-11-06 22:06:28,454 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 271 transitions. Word has length 131 [2023-11-06 22:06:28,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:28,456 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 271 transitions. [2023-11-06 22:06:28,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-11-06 22:06:28,458 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 271 transitions. [2023-11-06 22:06:28,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-06 22:06:28,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:28,470 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:28,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 22:06:28,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:28,677 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:28,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:28,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1811412632, now seen corresponding path program 1 times [2023-11-06 22:06:28,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:28,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541934744] [2023-11-06 22:06:28,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:28,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:28,722 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:28,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1740160106] [2023-11-06 22:06:28,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:28,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:28,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:28,724 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:28,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:06:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:28,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:06:28,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:06:29,464 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:29,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:29,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541934744] [2023-11-06 22:06:29,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:29,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740160106] [2023-11-06 22:06:29,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740160106] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:29,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:29,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:29,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709040868] [2023-11-06 22:06:29,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:29,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:29,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:29,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:29,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:29,468 INFO L87 Difference]: Start difference. First operand 190 states and 271 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:29,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:29,696 INFO L93 Difference]: Finished difference Result 440 states and 632 transitions. [2023-11-06 22:06:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:06:29,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 131 [2023-11-06 22:06:29,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:29,701 INFO L225 Difference]: With dead ends: 440 [2023-11-06 22:06:29,701 INFO L226 Difference]: Without dead ends: 303 [2023-11-06 22:06:29,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 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 22:06:29,704 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 116 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:29,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 339 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:29,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-11-06 22:06:29,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 268. [2023-11-06 22:06:29,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 179 states have (on average 1.3016759776536313) internal successors, (233), 179 states have internal predecessors, (233), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-06 22:06:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 385 transitions. [2023-11-06 22:06:29,762 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 385 transitions. Word has length 131 [2023-11-06 22:06:29,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:29,763 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 385 transitions. [2023-11-06 22:06:29,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:29,764 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 385 transitions. [2023-11-06 22:06:29,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-06 22:06:29,766 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:29,766 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:29,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:29,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:29,980 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:29,980 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:29,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1203690986, now seen corresponding path program 1 times [2023-11-06 22:06:29,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:29,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190435910] [2023-11-06 22:06:29,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:29,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:30,049 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:30,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1094631035] [2023-11-06 22:06:30,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:30,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:30,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:30,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:30,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:06:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:30,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:06:30,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:31,456 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 168 proven. 90 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2023-11-06 22:06:31,456 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:32,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:32,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190435910] [2023-11-06 22:06:32,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:32,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094631035] [2023-11-06 22:06:32,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094631035] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:06:32,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:06:32,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-11-06 22:06:32,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803219236] [2023-11-06 22:06:32,676 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:06:32,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:06:32,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:32,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:06:32,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:06:32,678 INFO L87 Difference]: Start difference. First operand 268 states and 385 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 10 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-06 22:06:37,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:37,281 INFO L93 Difference]: Finished difference Result 786 states and 1087 transitions. [2023-11-06 22:06:37,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:06:37,282 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 10 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 131 [2023-11-06 22:06:37,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:37,288 INFO L225 Difference]: With dead ends: 786 [2023-11-06 22:06:37,288 INFO L226 Difference]: Without dead ends: 649 [2023-11-06 22:06:37,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=352, Invalid=770, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:06:37,290 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 209 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:37,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 546 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-06 22:06:37,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2023-11-06 22:06:37,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 552. [2023-11-06 22:06:37,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 383 states have (on average 1.2924281984334203) internal successors, (495), 385 states have internal predecessors, (495), 137 states have call successors, (137), 31 states have call predecessors, (137), 31 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2023-11-06 22:06:37,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 769 transitions. [2023-11-06 22:06:37,385 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 769 transitions. Word has length 131 [2023-11-06 22:06:37,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:37,387 INFO L495 AbstractCegarLoop]: Abstraction has 552 states and 769 transitions. [2023-11-06 22:06:37,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 10 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-06 22:06:37,387 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 769 transitions. [2023-11-06 22:06:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-06 22:06:37,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:37,389 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:37,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-06 22:06:37,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:37,596 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:37,597 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:37,597 INFO L85 PathProgramCache]: Analyzing trace with hash 616884972, now seen corresponding path program 1 times [2023-11-06 22:06:37,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:37,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753093935] [2023-11-06 22:06:37,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:37,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:37,674 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:37,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1183083026] [2023-11-06 22:06:37,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:37,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:37,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:37,679 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:37,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:06:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:37,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:06:37,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-11-06 22:06:39,498 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:41,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:41,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753093935] [2023-11-06 22:06:41,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:41,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183083026] [2023-11-06 22:06:41,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183083026] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:06:41,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:06:41,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-06 22:06:41,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602841110] [2023-11-06 22:06:41,193 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:06:41,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:06:41,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:41,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:06:41,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:06:41,195 INFO L87 Difference]: Start difference. First operand 552 states and 769 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:06:43,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:43,021 INFO L93 Difference]: Finished difference Result 986 states and 1370 transitions. [2023-11-06 22:06:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:06:43,022 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2023-11-06 22:06:43,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:43,029 INFO L225 Difference]: With dead ends: 986 [2023-11-06 22:06:43,029 INFO L226 Difference]: Without dead ends: 777 [2023-11-06 22:06:43,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:06:43,031 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 137 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:43,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 646 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:06:43,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2023-11-06 22:06:43,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 703. [2023-11-06 22:06:43,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 486 states have (on average 1.2839506172839505) internal successors, (624), 488 states have internal predecessors, (624), 175 states have call successors, (175), 41 states have call predecessors, (175), 41 states have return successors, (175), 173 states have call predecessors, (175), 175 states have call successors, (175) [2023-11-06 22:06:43,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 974 transitions. [2023-11-06 22:06:43,121 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 974 transitions. Word has length 131 [2023-11-06 22:06:43,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:43,122 INFO L495 AbstractCegarLoop]: Abstraction has 703 states and 974 transitions. [2023-11-06 22:06:43,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:06:43,123 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 974 transitions. [2023-11-06 22:06:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-06 22:06:43,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:43,125 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:43,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:43,336 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:43,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:43,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1270394897, now seen corresponding path program 1 times [2023-11-06 22:06:43,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:43,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939071691] [2023-11-06 22:06:43,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:43,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:43,384 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:43,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1004675551] [2023-11-06 22:06:43,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:43,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:43,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,386 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:06:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:43,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:43,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:43,818 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:06:43,819 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:06:43,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:44,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 22:06:44,030 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:44,033 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:06:44,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:06:44 BoogieIcfgContainer [2023-11-06 22:06:44,208 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:06:44,209 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:06:44,209 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:06:44,209 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:06:44,210 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:22" (3/4) ... [2023-11-06 22:06:44,212 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:06:44,213 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:06:44,214 INFO L158 Benchmark]: Toolchain (without parser) took 22604.78ms. Allocated memory was 186.6MB in the beginning and 287.3MB in the end (delta: 100.7MB). Free memory was 138.7MB in the beginning and 134.7MB in the end (delta: 4.0MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. [2023-11-06 22:06:44,214 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 186.6MB. Free memory is still 159.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:06:44,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.14ms. Allocated memory is still 186.6MB. Free memory was 138.7MB in the beginning and 124.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:06:44,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.01ms. Allocated memory is still 186.6MB. Free memory was 124.8MB in the beginning and 121.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:06:44,224 INFO L158 Benchmark]: Boogie Preprocessor took 50.81ms. Allocated memory is still 186.6MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:06:44,225 INFO L158 Benchmark]: RCFGBuilder took 758.16ms. Allocated memory is still 186.6MB. Free memory was 119.0MB in the beginning and 96.8MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 22:06:44,226 INFO L158 Benchmark]: TraceAbstraction took 21226.64ms. Allocated memory was 186.6MB in the beginning and 287.3MB in the end (delta: 100.7MB). Free memory was 95.9MB in the beginning and 134.9MB in the end (delta: -39.0MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2023-11-06 22:06:44,226 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 287.3MB. Free memory was 134.9MB in the beginning and 134.7MB in the end (delta: 238.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:06:44,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 186.6MB. Free memory is still 159.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.14ms. Allocated memory is still 186.6MB. Free memory was 138.7MB in the beginning and 124.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.01ms. Allocated memory is still 186.6MB. Free memory was 124.8MB in the beginning and 121.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.81ms. Allocated memory is still 186.6MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 758.16ms. Allocated memory is still 186.6MB. Free memory was 119.0MB in the beginning and 96.8MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 21226.64ms. Allocated memory was 186.6MB in the beginning and 287.3MB in the end (delta: 100.7MB). Free memory was 95.9MB in the beginning and 134.9MB in the end (delta: -39.0MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 287.3MB. Free memory was 134.9MB in the beginning and 134.7MB in the end (delta: 238.9kB). 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 someBinaryFLOATComparisonOperation at line 150, overapproximation of someUnaryDOUBLEoperation at line 30. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_5 = -8; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 128; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] signed short int var_1_13 = 200; [L30] float var_1_14 = -0.8; [L31] float var_1_15 = 127.25; [L32] float var_1_16 = 3.5; [L33] unsigned short int var_1_17 = 16; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 0; [L36] unsigned char var_1_21 = 0; [L37] unsigned char var_1_22 = 0; [L38] signed long int var_1_23 = -10; [L39] signed long int var_1_24 = 32; [L40] float var_1_25 = 1000000.8; [L41] float var_1_26 = 7.4; [L42] signed long int var_1_27 = 128; [L43] float var_1_28 = 9.75; [L44] signed long int var_1_29 = 10; [L45] signed short int last_1_var_1_1 = 16; [L46] unsigned char last_1_var_1_6 = 10; [L47] unsigned char last_1_var_1_8 = 1; [L48] signed short int last_1_var_1_13 = 200; VAL [isInitial=0, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1] [L154] isInitial = 1 [L155] FCALL initially() [L156] COND TRUE 1 [L157] CALL updateLastVariables() [L144] last_1_var_1_1 = var_1_1 [L145] last_1_var_1_6 = var_1_6 [L146] last_1_var_1_8 = var_1_8 [L147] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1] [L157] RET updateLastVariables() [L158] CALL updateVariables() [L112] var_1_5 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L113] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L114] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L114] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L115] var_1_7 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L116] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L117] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L117] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L118] var_1_11 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L119] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L120] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L120] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L121] var_1_12 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L122] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L123] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L123] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L124] var_1_15 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L125] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L126] var_1_16 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L127] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L128] var_1_20 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L129] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L130] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L130] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L131] var_1_22 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L132] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L133] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L133] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L134] var_1_24 = __VERIFIER_nondet_long() [L135] CALL assume_abort_if_not(var_1_24 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L135] RET assume_abort_if_not(var_1_24 >= -2147483647) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L136] CALL assume_abort_if_not(var_1_24 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L136] RET assume_abort_if_not(var_1_24 <= 2147483646) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L137] var_1_26 = __VERIFIER_nondet_float() [L138] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=4, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=4, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L138] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=4, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L139] var_1_29 = __VERIFIER_nondet_long() [L140] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=4, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=4, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L140] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=4, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L141] CALL assume_abort_if_not(var_1_29 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=4, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=4, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L141] RET assume_abort_if_not(var_1_29 <= 32) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=4, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L158] RET updateVariables() [L159] CALL step() [L52] var_1_21 = var_1_22 [L53] var_1_23 = var_1_24 [L54] var_1_25 = var_1_26 [L55] var_1_27 = -32 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L56] EXPR var_1_24 & 100 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24 & 100=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L56] EXPR var_1_23 >> ((((var_1_29) > (5)) ? (var_1_29) : (5))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23 >> ((((var_1_29) > (5)) ? (var_1_29) : (5)))=0, var_1_23=0, var_1_24 & 100=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L56] COND TRUE (var_1_24 & 100) <= (var_1_23 >> ((((var_1_29) > (5)) ? (var_1_29) : (5)))) [L57] var_1_28 = var_1_26 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L59] signed long int stepLocal_6 = last_1_var_1_1; [L60] unsigned char stepLocal_5 = ((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L61] COND TRUE stepLocal_5 || last_1_var_1_8 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L62] COND FALSE !(stepLocal_6 <= last_1_var_1_6) [L65] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L70] COND FALSE !(var_1_14 <= var_1_15) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=201, var_1_8=1] [L73] COND TRUE var_1_5 >= -2 [L74] var_1_6 = (var_1_7 - 100) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=1] [L76] unsigned char stepLocal_4 = var_1_6; [L77] signed long int stepLocal_3 = var_1_6 / var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=101, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=1] [L78] COND TRUE last_1_var_1_13 >= stepLocal_3 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=101, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=1] [L79] COND TRUE stepLocal_4 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5))) [L80] var_1_13 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=101, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=1] [L87] unsigned char stepLocal_7 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=101, stepLocal_5=1, stepLocal_6=16, stepLocal_7=101, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=1] [L88] COND FALSE !(stepLocal_7 > var_1_6) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=101, stepLocal_5=1, stepLocal_6=16, stepLocal_7=101, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=1] [L91] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=101, stepLocal_3=0, stepLocal_4=101, stepLocal_5=1, stepLocal_6=16, stepLocal_7=101, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=1] [L92] COND TRUE \read(var_1_19) [L93] var_1_1 = ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=101, stepLocal_3=0, stepLocal_4=101, stepLocal_5=1, stepLocal_6=16, stepLocal_7=101, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=101, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=1] [L99] unsigned char stepLocal_2 = var_1_19 && var_1_19; [L100] unsigned char stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=101, stepLocal_1=201, stepLocal_2=1, stepLocal_3=0, stepLocal_4=101, stepLocal_5=1, stepLocal_6=16, stepLocal_7=101, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=101, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=1] [L101] COND FALSE !((49.5f <= var_1_14) && stepLocal_2) [L108] var_1_8 = var_1_12 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=101, stepLocal_1=201, stepLocal_2=1, stepLocal_3=0, stepLocal_4=101, stepLocal_5=1, stepLocal_6=16, stepLocal_7=101, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=101, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=0] [L159] RET step() [L160] CALL, EXPR property() [L150-L151] return ((((((var_1_19 ? (var_1_1 == ((signed short int) ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_6) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_14) && (var_1_19 && var_1_19)) ? ((var_1_13 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_19 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((last_1_var_1_13 >= (var_1_6 / var_1_7)) ? ((var_1_6 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) last_1_var_1_13))) : (var_1_13 == ((signed short int) var_1_6)))) && (((((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5) || last_1_var_1_8) ? ((last_1_var_1_1 <= last_1_var_1_6) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_6 > var_1_6) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_13 + var_1_6))) ? (25) : ((var_1_13 + var_1_6)))))) : 1)) && ((var_1_14 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=101, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=0] [L160] RET, EXPR property() [L160] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=101, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=201, var_1_14=3, var_1_15=2, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=101, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=4, var_1_26=4, var_1_27=-32, var_1_28=4, var_1_29=1, var_1_5=8, var_1_6=101, var_1_7=201, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.0s, OverallIterations: 7, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 852 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 844 mSDsluCounter, 2550 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1927 mSDsCounter, 324 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1431 IncrementalHoareTripleChecker+Invalid, 1755 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 324 mSolverCounterUnsat, 623 mSDtfsCounter, 1431 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1197 GetRequests, 1084 SyntacticMatches, 2 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 881 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=703occurred in iteration=6, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 323 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 1046 NumberOfCodeBlocks, 1046 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 908 ConstructedInterpolants, 1 QuantifiedInterpolants, 6036 SizeOfPredicates, 29 NumberOfNonLiveVariables, 2092 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 4545/4788 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 22:06:44,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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_9c96e105-7f02-4fb1-b886-c83a31843915/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 d9e59086f90a4b77881e2a736ae7adfe917141d6ec019c4e22eac9e57a2e90b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:46,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:46,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:06:46,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:46,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:06:47,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:06:47,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:06:47,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:06:47,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:06:47,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:06:47,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:06:47,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:06:47,033 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:06:47,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:06:47,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:06:47,039 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:06:47,040 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:06:47,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:06:47,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:06:47,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:06:47,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:06:47,048 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:06:47,049 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:06:47,049 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:06:47,050 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:06:47,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:06:47,051 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:06:47,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:06:47,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:06:47,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:06:47,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:47,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:06:47,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:06:47,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:06:47,055 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:06:47,055 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:06:47,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:06:47,056 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:06:47,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:06:47,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:06:47,057 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:06:47,058 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:06:47,058 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_9c96e105-7f02-4fb1-b886-c83a31843915/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9e59086f90a4b77881e2a736ae7adfe917141d6ec019c4e22eac9e57a2e90b4 [2023-11-06 22:06:47,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:06:47,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:06:47,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:06:47,560 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:06:47,560 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:06:47,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2023-11-06 22:06:50,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:06:51,107 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:06:51,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2023-11-06 22:06:51,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/data/6dcd5a1dc/f3f61ee0c8ad4f579179123ea256d80d/FLAGe8c0b0fd4 [2023-11-06 22:06:51,147 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/data/6dcd5a1dc/f3f61ee0c8ad4f579179123ea256d80d [2023-11-06 22:06:51,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:06:51,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:06:51,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:51,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:06:51,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:06:51,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6caca567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51, skipping insertion in model container [2023-11-06 22:06:51,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:06:51,430 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_9c96e105-7f02-4fb1-b886-c83a31843915/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i[915,928] [2023-11-06 22:06:51,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:51,570 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:06:51,590 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_9c96e105-7f02-4fb1-b886-c83a31843915/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i[915,928] [2023-11-06 22:06:51,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:51,674 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:06:51,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51 WrapperNode [2023-11-06 22:06:51,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:51,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:51,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:06:51,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:06:51,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,753 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-06 22:06:51,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:51,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:06:51,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:06:51,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:06:51,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:06:51,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:06:51,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:06:51,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:06:51,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:51,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:51,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:51,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:06:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:06:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:06:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:06:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:06:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:06:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:06:52,064 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:06:52,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:06:52,718 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:06:52,729 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:06:52,730 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:06:52,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:52 BoogieIcfgContainer [2023-11-06 22:06:52,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:06:52,736 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:06:52,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:06:52,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:06:52,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:06:51" (1/3) ... [2023-11-06 22:06:52,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160f30e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:52, skipping insertion in model container [2023-11-06 22:06:52,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51" (2/3) ... [2023-11-06 22:06:52,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160f30e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:52, skipping insertion in model container [2023-11-06 22:06:52,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:52" (3/3) ... [2023-11-06 22:06:52,746 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2023-11-06 22:06:52,767 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:06:52,767 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:06:52,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:06:52,846 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;@19560f5e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:06:52,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:06:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 45 states have internal predecessors, (61), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:06:52,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-06 22:06:52,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:52,876 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:52,879 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:52,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:52,888 INFO L85 PathProgramCache]: Analyzing trace with hash -275776191, now seen corresponding path program 1 times [2023-11-06 22:06:52,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:06:52,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005508607] [2023-11-06 22:06:52,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:52,912 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 22:06:52,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:06:52,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:06:52,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:06:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:53,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:06:53,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-06 22:06:53,500 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:53,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:06:53,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005508607] [2023-11-06 22:06:53,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005508607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:53,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:53,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:53,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935170008] [2023-11-06 22:06:53,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:53,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:06:53,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:06:53,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:06:53,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:06:53,558 INFO L87 Difference]: Start difference. First operand has 66 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 45 states have internal predecessors, (61), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:06:53,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:53,612 INFO L93 Difference]: Finished difference Result 125 states and 211 transitions. [2023-11-06 22:06:53,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:06:53,617 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 128 [2023-11-06 22:06:53,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:53,627 INFO L225 Difference]: With dead ends: 125 [2023-11-06 22:06:53,627 INFO L226 Difference]: Without dead ends: 62 [2023-11-06 22:06:53,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 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 22:06:53,639 INFO L413 NwaCegarLoop]: 92 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, 92 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 22:06:53,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:53,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-06 22:06:53,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-06 22:06:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:06:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 92 transitions. [2023-11-06 22:06:53,715 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 92 transitions. Word has length 128 [2023-11-06 22:06:53,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:53,715 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 92 transitions. [2023-11-06 22:06:53,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:06:53,716 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 92 transitions. [2023-11-06 22:06:53,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-06 22:06:53,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:53,720 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:53,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:06:53,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:06:53,921 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:53,922 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:53,922 INFO L85 PathProgramCache]: Analyzing trace with hash -827477885, now seen corresponding path program 1 times [2023-11-06 22:06:53,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:06:53,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013369594] [2023-11-06 22:06:53,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:53,924 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 22:06:53,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:06:53,925 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:06:53,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:06:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:54,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:06:54,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:54,638 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:06:54,639 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:54,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:06:54,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013369594] [2023-11-06 22:06:54,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013369594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:54,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:54,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:54,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978778643] [2023-11-06 22:06:54,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:54,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:54,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:06:54,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:54,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:54,648 INFO L87 Difference]: Start difference. First operand 62 states and 92 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:55,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:55,167 INFO L93 Difference]: Finished difference Result 181 states and 271 transitions. [2023-11-06 22:06:55,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:55,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 128 [2023-11-06 22:06:55,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:55,178 INFO L225 Difference]: With dead ends: 181 [2023-11-06 22:06:55,179 INFO L226 Difference]: Without dead ends: 122 [2023-11-06 22:06:55,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 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 22:06:55,181 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 75 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:55,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 258 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:06:55,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-06 22:06:55,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 101. [2023-11-06 22:06:55,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 60 states have (on average 1.2333333333333334) internal successors, (74), 60 states have internal predecessors, (74), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 22:06:55,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2023-11-06 22:06:55,242 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 128 [2023-11-06 22:06:55,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:55,243 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2023-11-06 22:06:55,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2023-11-06 22:06:55,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-06 22:06:55,246 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:55,246 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:55,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:06:55,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:06:55,451 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:55,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:55,452 INFO L85 PathProgramCache]: Analyzing trace with hash 964837168, now seen corresponding path program 1 times [2023-11-06 22:06:55,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:06:55,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020433291] [2023-11-06 22:06:55,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:55,454 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 22:06:55,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:06:55,455 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:06:55,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:06:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:55,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:06:55,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:56,818 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:06:56,818 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:56,818 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:06:56,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2020433291] [2023-11-06 22:06:56,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2020433291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:56,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:56,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:56,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039952463] [2023-11-06 22:06:56,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:56,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:56,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:06:56,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:56,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:56,822 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:57,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:57,930 INFO L93 Difference]: Finished difference Result 237 states and 353 transitions. [2023-11-06 22:06:57,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:06:57,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 129 [2023-11-06 22:06:57,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:57,941 INFO L225 Difference]: With dead ends: 237 [2023-11-06 22:06:57,942 INFO L226 Difference]: Without dead ends: 178 [2023-11-06 22:06:57,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 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 22:06:57,945 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 106 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:57,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 315 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:06:57,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-06 22:06:57,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 158. [2023-11-06 22:06:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 97 states have (on average 1.268041237113402) internal successors, (123), 97 states have internal predecessors, (123), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-06 22:06:57,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 237 transitions. [2023-11-06 22:06:57,988 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 237 transitions. Word has length 129 [2023-11-06 22:06:57,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:57,990 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 237 transitions. [2023-11-06 22:06:57,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:06:57,990 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 237 transitions. [2023-11-06 22:06:57,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-06 22:06:57,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:57,993 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:58,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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)] Ended with exit code 0 [2023-11-06 22:06:58,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:06:58,211 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:58,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:58,211 INFO L85 PathProgramCache]: Analyzing trace with hash -315026510, now seen corresponding path program 1 times [2023-11-06 22:06:58,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:06:58,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929001651] [2023-11-06 22:06:58,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:58,213 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 22:06:58,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:06:58,215 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:06:58,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:06:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:58,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:06:58,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:59,026 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 443 proven. 51 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-06 22:06:59,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 54 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2023-11-06 22:06:59,477 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:06:59,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929001651] [2023-11-06 22:06:59,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929001651] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:06:59,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:06:59,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2023-11-06 22:06:59,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539253759] [2023-11-06 22:06:59,478 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:06:59,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:06:59,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:06:59,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:06:59,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:06:59,481 INFO L87 Difference]: Start difference. First operand 158 states and 237 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-11-06 22:07:00,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:00,995 INFO L93 Difference]: Finished difference Result 341 states and 477 transitions. [2023-11-06 22:07:00,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-06 22:07:00,997 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 129 [2023-11-06 22:07:00,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:01,000 INFO L225 Difference]: With dead ends: 341 [2023-11-06 22:07:01,001 INFO L226 Difference]: Without dead ends: 282 [2023-11-06 22:07:01,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2023-11-06 22:07:01,009 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 270 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:01,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 327 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:07:01,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-06 22:07:01,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 256. [2023-11-06 22:07:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 167 states have (on average 1.251497005988024) internal successors, (209), 167 states have internal predecessors, (209), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-06 22:07:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 361 transitions. [2023-11-06 22:07:01,105 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 361 transitions. Word has length 129 [2023-11-06 22:07:01,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:01,106 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 361 transitions. [2023-11-06 22:07:01,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-11-06 22:07:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 361 transitions. [2023-11-06 22:07:01,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-06 22:07:01,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:01,115 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:01,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:01,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:07:01,336 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:01,336 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:01,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1326143760, now seen corresponding path program 1 times [2023-11-06 22:07:01,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:01,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [689376588] [2023-11-06 22:07:01,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:01,338 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 22:07:01,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:01,340 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:07:01,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-06 22:07:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:01,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:07:01,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:02,807 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-11-06 22:07:02,808 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:07:03,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:07:03,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [689376588] [2023-11-06 22:07:03,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [689376588] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:07:03,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1917221264] [2023-11-06 22:07:03,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:03,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:07:03,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:07:03,767 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:07:03,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-06 22:07:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:04,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:07:04,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:07:05,489 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:05,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1917221264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:05,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:07:05,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-11-06 22:07:05,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789912601] [2023-11-06 22:07:05,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:05,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:07:05,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:07:05,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:07:05,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:07:05,492 INFO L87 Difference]: Start difference. First operand 256 states and 361 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:09,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:09,410 INFO L93 Difference]: Finished difference Result 703 states and 985 transitions. [2023-11-06 22:07:09,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:07:09,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 129 [2023-11-06 22:07:09,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:09,428 INFO L225 Difference]: With dead ends: 703 [2023-11-06 22:07:09,428 INFO L226 Difference]: Without dead ends: 572 [2023-11-06 22:07:09,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:07:09,430 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 146 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:09,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 410 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-06 22:07:09,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2023-11-06 22:07:09,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 499. [2023-11-06 22:07:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 338 states have (on average 1.2692307692307692) internal successors, (429), 340 states have internal predecessors, (429), 137 states have call successors, (137), 23 states have call predecessors, (137), 23 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2023-11-06 22:07:09,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 703 transitions. [2023-11-06 22:07:09,553 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 703 transitions. Word has length 129 [2023-11-06 22:07:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:09,555 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 703 transitions. [2023-11-06 22:07:09,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 703 transitions. [2023-11-06 22:07:09,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-06 22:07:09,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:09,559 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:09,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-06 22:07:09,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:09,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:07:09,965 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:09,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:09,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1912949774, now seen corresponding path program 1 times [2023-11-06 22:07:09,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:09,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383024259] [2023-11-06 22:07:09,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:09,967 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 22:07:09,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:09,968 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:07:09,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-06 22:07:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:10,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:07:10,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-11-06 22:07:11,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:07:15,191 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:07:15,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383024259] [2023-11-06 22:07:15,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383024259] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:07:15,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1037962915] [2023-11-06 22:07:15,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:15,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:07:15,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:07:15,193 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:07:15,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-06 22:07:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:16,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:07:16,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:07:17,334 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:17,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1037962915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:17,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:07:17,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2023-11-06 22:07:17,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900667086] [2023-11-06 22:07:17,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:17,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:17,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:07:17,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:17,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:07:17,341 INFO L87 Difference]: Start difference. First operand 499 states and 703 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:20,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:20,310 INFO L93 Difference]: Finished difference Result 870 states and 1227 transitions. [2023-11-06 22:07:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:07:20,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 129 [2023-11-06 22:07:20,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:20,318 INFO L225 Difference]: With dead ends: 870 [2023-11-06 22:07:20,318 INFO L226 Difference]: Without dead ends: 670 [2023-11-06 22:07:20,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:07:20,321 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 92 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:20,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 336 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-06 22:07:20,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2023-11-06 22:07:20,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 628. [2023-11-06 22:07:20,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 423 states have (on average 1.2624113475177305) internal successors, (534), 425 states have internal predecessors, (534), 175 states have call successors, (175), 29 states have call predecessors, (175), 29 states have return successors, (175), 173 states have call predecessors, (175), 175 states have call successors, (175) [2023-11-06 22:07:20,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 884 transitions. [2023-11-06 22:07:20,447 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 884 transitions. Word has length 129 [2023-11-06 22:07:20,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:20,449 INFO L495 AbstractCegarLoop]: Abstraction has 628 states and 884 transitions. [2023-11-06 22:07:20,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:07:20,449 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 884 transitions. [2023-11-06 22:07:20,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-06 22:07:20,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:20,452 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:20,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:20,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:20,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:07:20,864 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:20,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:20,864 INFO L85 PathProgramCache]: Analyzing trace with hash 154929082, now seen corresponding path program 1 times [2023-11-06 22:07:20,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:20,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465503059] [2023-11-06 22:07:20,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:20,865 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 22:07:20,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:20,866 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/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 22:07:20,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c96e105-7f02-4fb1-b886-c83a31843915/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-06 22:07:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:21,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-06 22:07:21,172 INFO L285 TraceCheckSpWp]: Computing forward predicates...