./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --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 cfa1db2b7b11c8a5c678532d9720edadc9dcf8095da3555b92876b462fef0528 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:43:58,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:43:58,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:43:58,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:43:58,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:43:58,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:43:58,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:43:58,955 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:43:58,956 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:43:58,958 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:43:58,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:43:58,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:43:58,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:43:58,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:43:58,960 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:43:58,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:43:58,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:43:58,963 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:43:58,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:43:58,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:43:58,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:43:58,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:43:58,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:43:58,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:43:58,967 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:43:58,968 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:43:58,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:43:58,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:43:58,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:43:58,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:43:58,972 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:43:58,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:43:58,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:43:58,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:43:58,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:43:58,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:43:58,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:43:58,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:43:58,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:43:58,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:43:58,984 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:43:58,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:43:58,986 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_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa1db2b7b11c8a5c678532d9720edadc9dcf8095da3555b92876b462fef0528 [2024-11-08 18:43:59,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:43:59,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:43:59,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:43:59,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:43:59,343 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:43:59,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i Unable to find full path for "g++" [2024-11-08 18:44:01,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:44:01,681 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:44:01,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i [2024-11-08 18:44:01,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/data/acf8baacd/5c1c8807c45c464fa097977d29d33adb/FLAGdd1f253e0 [2024-11-08 18:44:02,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/data/acf8baacd/5c1c8807c45c464fa097977d29d33adb [2024-11-08 18:44:02,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:44:02,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:44:02,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:44:02,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:44:02,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:44:02,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1091911b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02, skipping insertion in model container [2024-11-08 18:44:02,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:44:02,322 WARN L250 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_86d7b339-551a-47bd-9e3b-9e7592567a77/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i[917,930] [2024-11-08 18:44:02,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:44:02,420 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:44:02,437 WARN L250 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_86d7b339-551a-47bd-9e3b-9e7592567a77/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i[917,930] [2024-11-08 18:44:02,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:44:02,540 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:44:02,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02 WrapperNode [2024-11-08 18:44:02,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:44:02,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:44:02,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:44:02,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:44:02,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,686 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2024-11-08 18:44:02,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:44:02,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:44:02,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:44:02,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:44:02,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,713 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,755 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:44:02,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:44:02,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:44:02,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:44:02,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:44:02,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (1/1) ... [2024-11-08 18:44:02,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:44:02,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:02,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:44:02,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:44:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:44:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:44:02,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:44:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:44:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:44:02,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:44:03,058 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:44:03,061 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:44:03,603 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 18:44:03,603 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:44:03,620 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:44:03,620 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:44:03,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:44:03 BoogieIcfgContainer [2024-11-08 18:44:03,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:44:03,624 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:44:03,624 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:44:03,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:44:03,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:44:02" (1/3) ... [2024-11-08 18:44:03,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad1035d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:44:03, skipping insertion in model container [2024-11-08 18:44:03,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:02" (2/3) ... [2024-11-08 18:44:03,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad1035d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:44:03, skipping insertion in model container [2024-11-08 18:44:03,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:44:03" (3/3) ... [2024-11-08 18:44:03,633 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-58.i [2024-11-08 18:44:03,655 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:44:03,656 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:44:03,740 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:44:03,747 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@dfd632f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:44:03,748 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:44:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 18:44:03,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 18:44:03,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:03,780 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:03,781 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:44:03,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:03,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1166779526, now seen corresponding path program 1 times [2024-11-08 18:44:03,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:03,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696414733] [2024-11-08 18:44:03,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:03,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:44:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:44:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:44:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:44:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:44:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:44:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 18:44:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:44:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 18:44:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:44:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:44:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:44:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:44:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:44:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:44:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:44:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:44:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:44:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 18:44:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 18:44:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 18:44:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:44:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 18:44:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 18:44:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 18:44:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 18:44:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 18:44:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 18:44:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-08 18:44:04,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:04,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696414733] [2024-11-08 18:44:04,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696414733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:04,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:04,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:44:04,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755154406] [2024-11-08 18:44:04,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:04,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:44:04,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:04,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:44:04,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:44:04,708 INFO L87 Difference]: Start difference. First operand has 76 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-08 18:44:04,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:04,776 INFO L93 Difference]: Finished difference Result 145 states and 256 transitions. [2024-11-08 18:44:04,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:44:04,782 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2024-11-08 18:44:04,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:04,796 INFO L225 Difference]: With dead ends: 145 [2024-11-08 18:44:04,796 INFO L226 Difference]: Without dead ends: 72 [2024-11-08 18:44:04,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:44:04,813 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:04,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:44:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-08 18:44:04,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-08 18:44:04,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 18:44:04,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2024-11-08 18:44:04,911 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 173 [2024-11-08 18:44:04,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:04,912 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2024-11-08 18:44:04,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-08 18:44:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2024-11-08 18:44:04,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 18:44:04,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:04,924 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:04,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:44:04,926 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:44:04,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:04,927 INFO L85 PathProgramCache]: Analyzing trace with hash -216020090, now seen corresponding path program 1 times [2024-11-08 18:44:04,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:04,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335876357] [2024-11-08 18:44:04,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:04,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:44:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:44:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:44:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:44:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:44:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:44:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 18:44:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:44:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 18:44:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:44:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:44:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:44:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:44:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:44:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:44:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:44:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:44:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:44:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 18:44:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 18:44:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 18:44:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:44:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 18:44:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 18:44:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 18:44:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 18:44:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 18:44:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 18:44:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-08 18:44:23,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:23,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335876357] [2024-11-08 18:44:23,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335876357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:23,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:23,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 18:44:23,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50850009] [2024-11-08 18:44:23,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:23,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 18:44:23,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:23,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 18:44:23,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:44:23,752 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-08 18:44:28,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:28,544 INFO L93 Difference]: Finished difference Result 182 states and 265 transitions. [2024-11-08 18:44:28,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 18:44:28,544 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2024-11-08 18:44:28,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:28,550 INFO L225 Difference]: With dead ends: 182 [2024-11-08 18:44:28,550 INFO L226 Difference]: Without dead ends: 180 [2024-11-08 18:44:28,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2024-11-08 18:44:28,553 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 248 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:28,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 662 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 18:44:28,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-08 18:44:28,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 162. [2024-11-08 18:44:28,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 100 states have (on average 1.29) internal successors, (129), 101 states have internal predecessors, (129), 58 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:44:28,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 245 transitions. [2024-11-08 18:44:28,627 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 245 transitions. Word has length 173 [2024-11-08 18:44:28,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:28,628 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 245 transitions. [2024-11-08 18:44:28,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-08 18:44:28,629 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 245 transitions. [2024-11-08 18:44:28,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 18:44:28,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:28,636 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:28,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:44:28,636 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:44:28,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:28,638 INFO L85 PathProgramCache]: Analyzing trace with hash -158761788, now seen corresponding path program 1 times [2024-11-08 18:44:28,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:28,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231747880] [2024-11-08 18:44:28,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:28,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:44:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:44:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:44:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:44:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:44:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:44:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 18:44:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:44:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 18:44:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:44:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:44:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:44:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:44:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:44:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:44:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:44:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:44:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:44:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 18:44:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 18:44:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 18:44:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:44:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 18:44:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 18:44:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 18:44:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 18:44:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 18:44:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 18:44:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-08 18:44:40,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:40,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231747880] [2024-11-08 18:44:40,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231747880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:40,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:40,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 18:44:40,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202061519] [2024-11-08 18:44:40,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:40,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 18:44:40,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:40,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 18:44:40,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:44:40,303 INFO L87 Difference]: Start difference. First operand 162 states and 245 transitions. Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-08 18:44:44,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:44,623 INFO L93 Difference]: Finished difference Result 188 states and 270 transitions. [2024-11-08 18:44:44,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 18:44:44,624 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2024-11-08 18:44:44,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:44,629 INFO L225 Difference]: With dead ends: 188 [2024-11-08 18:44:44,629 INFO L226 Difference]: Without dead ends: 186 [2024-11-08 18:44:44,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:44:44,632 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 190 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:44,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 633 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 18:44:44,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-08 18:44:44,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 165. [2024-11-08 18:44:44,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.2745098039215685) internal successors, (130), 103 states have internal predecessors, (130), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:44:44,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 246 transitions. [2024-11-08 18:44:44,668 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 246 transitions. Word has length 173 [2024-11-08 18:44:44,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:44,669 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 246 transitions. [2024-11-08 18:44:44,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-08 18:44:44,670 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 246 transitions. [2024-11-08 18:44:44,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 18:44:44,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:44,673 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:44,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:44:44,674 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:44:44,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:44,674 INFO L85 PathProgramCache]: Analyzing trace with hash -474185528, now seen corresponding path program 1 times [2024-11-08 18:44:44,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:44,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005177891] [2024-11-08 18:44:44,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:44,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:44:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:44:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:44:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:44:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:44:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:44:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 18:44:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:44:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 18:44:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:44:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:44:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:44:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:44:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:44:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:44:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:44:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:44:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:44:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 18:44:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 18:44:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 18:44:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:44:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 18:44:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 18:44:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 18:44:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 18:44:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 18:44:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 18:44:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:55,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-08 18:44:55,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:55,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005177891] [2024-11-08 18:44:55,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005177891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:55,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:55,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 18:44:55,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94303320] [2024-11-08 18:44:55,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:55,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 18:44:55,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:55,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 18:44:55,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:44:55,362 INFO L87 Difference]: Start difference. First operand 165 states and 246 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-08 18:44:56,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:56,548 INFO L93 Difference]: Finished difference Result 237 states and 338 transitions. [2024-11-08 18:44:56,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:44:56,551 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2024-11-08 18:44:56,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:56,556 INFO L225 Difference]: With dead ends: 237 [2024-11-08 18:44:56,557 INFO L226 Difference]: Without dead ends: 235 [2024-11-08 18:44:56,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:44:56,558 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 135 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:56,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 643 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 18:44:56,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-08 18:44:56,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 179. [2024-11-08 18:44:56,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 115 states have (on average 1.2782608695652173) internal successors, (147), 116 states have internal predecessors, (147), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-08 18:44:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 263 transitions. [2024-11-08 18:44:56,608 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 263 transitions. Word has length 173 [2024-11-08 18:44:56,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:56,609 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 263 transitions. [2024-11-08 18:44:56,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-08 18:44:56,610 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 263 transitions. [2024-11-08 18:44:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 18:44:56,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:56,614 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:56,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:44:56,615 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:44:56,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:56,615 INFO L85 PathProgramCache]: Analyzing trace with hash -416927226, now seen corresponding path program 1 times [2024-11-08 18:44:56,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:56,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302514673] [2024-11-08 18:44:56,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:56,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:45:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:45:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:45:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:45:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:45:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:45:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 18:45:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:45:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 18:45:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:45:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:45:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:45:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:45:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:45:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:45:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:45:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:45:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:45:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 18:45:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 18:45:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 18:45:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:45:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 18:45:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 18:45:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 18:45:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 18:45:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 18:45:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 18:45:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-08 18:45:04,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:45:04,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302514673] [2024-11-08 18:45:04,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302514673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:45:04,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:45:04,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 18:45:04,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188343886] [2024-11-08 18:45:04,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:45:04,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 18:45:04,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:45:04,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 18:45:04,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:45:04,675 INFO L87 Difference]: Start difference. First operand 179 states and 263 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-08 18:45:06,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:45:06,091 INFO L93 Difference]: Finished difference Result 247 states and 349 transitions. [2024-11-08 18:45:06,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:45:06,092 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2024-11-08 18:45:06,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:45:06,095 INFO L225 Difference]: With dead ends: 247 [2024-11-08 18:45:06,095 INFO L226 Difference]: Without dead ends: 245 [2024-11-08 18:45:06,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:45:06,098 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 142 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:45:06,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 874 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 18:45:06,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-08 18:45:06,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 199. [2024-11-08 18:45:06,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 132 states have (on average 1.2954545454545454) internal successors, (171), 134 states have internal predecessors, (171), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-08 18:45:06,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 291 transitions. [2024-11-08 18:45:06,158 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 291 transitions. Word has length 173 [2024-11-08 18:45:06,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:45:06,160 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 291 transitions. [2024-11-08 18:45:06,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-08 18:45:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 291 transitions. [2024-11-08 18:45:06,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 18:45:06,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:45:06,165 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:45:06,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:45:06,165 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:45:06,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:45:06,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1487823689, now seen corresponding path program 1 times [2024-11-08 18:45:06,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:45:06,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129045978] [2024-11-08 18:45:06,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:06,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:45:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:45:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:45:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:45:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:45:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 18:45:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:45:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 18:45:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:45:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 18:45:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:45:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:45:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:45:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:45:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:45:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:45:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:45:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 18:45:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 18:45:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 18:45:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 18:45:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 18:45:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 18:45:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 18:45:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 18:45:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 18:45:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 18:45:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 18:45:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 18:45:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 75 proven. 6 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-11-08 18:45:06,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:45:06,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129045978] [2024-11-08 18:45:06,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129045978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:45:06,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041471396] [2024-11-08 18:45:06,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:06,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:06,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:45:06,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:45:06,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:45:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:06,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:45:06,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:45:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 277 proven. 6 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2024-11-08 18:45:06,729 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:45:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 75 proven. 6 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-11-08 18:45:06,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041471396] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:45:06,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:45:06,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-08 18:45:06,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372511473] [2024-11-08 18:45:06,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:45:06,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:45:06,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:45:06,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:45:06,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:45:06,965 INFO L87 Difference]: Start difference. First operand 199 states and 291 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-08 18:45:07,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:45:07,300 INFO L93 Difference]: Finished difference Result 405 states and 587 transitions. [2024-11-08 18:45:07,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:45:07,301 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 174 [2024-11-08 18:45:07,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:45:07,304 INFO L225 Difference]: With dead ends: 405 [2024-11-08 18:45:07,304 INFO L226 Difference]: Without dead ends: 209 [2024-11-08 18:45:07,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:45:07,307 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 128 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:45:07,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 165 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:45:07,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-08 18:45:07,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 196. [2024-11-08 18:45:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 127 states have (on average 1.220472440944882) internal successors, (155), 129 states have internal predecessors, (155), 60 states have call successors, (60), 8 states have call predecessors, (60), 8 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-08 18:45:07,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 275 transitions. [2024-11-08 18:45:07,342 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 275 transitions. Word has length 174 [2024-11-08 18:45:07,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:45:07,342 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 275 transitions. [2024-11-08 18:45:07,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-08 18:45:07,343 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 275 transitions. [2024-11-08 18:45:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 18:45:07,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:45:07,345 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:45:07,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:45:07,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:07,547 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:45:07,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:45:07,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1360436709, now seen corresponding path program 1 times [2024-11-08 18:45:07,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:45:07,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135135019] [2024-11-08 18:45:07,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:07,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:45:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 18:45:07,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1471943568] [2024-11-08 18:45:07,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:07,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:07,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:45:07,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:45:07,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:45:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:08,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 18:45:08,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:45:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 403 proven. 69 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2024-11-08 18:45:09,281 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:45:09,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:45:09,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135135019] [2024-11-08 18:45:09,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 18:45:09,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471943568] [2024-11-08 18:45:09,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471943568] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:45:09,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:45:09,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-08 18:45:09,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320364439] [2024-11-08 18:45:09,550 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 18:45:09,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:45:09,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:45:09,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:45:09,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:45:09,552 INFO L87 Difference]: Start difference. First operand 196 states and 275 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-08 18:45:10,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:45:10,383 INFO L93 Difference]: Finished difference Result 419 states and 581 transitions. [2024-11-08 18:45:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:45:10,384 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 175 [2024-11-08 18:45:10,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:45:10,386 INFO L225 Difference]: With dead ends: 419 [2024-11-08 18:45:10,387 INFO L226 Difference]: Without dead ends: 226 [2024-11-08 18:45:10,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:45:10,389 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 106 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:45:10,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 399 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 329 Invalid, 3 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 18:45:10,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-08 18:45:10,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 204. [2024-11-08 18:45:10,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 134 states have (on average 1.2164179104477613) internal successors, (163), 136 states have internal predecessors, (163), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-08 18:45:10,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 283 transitions. [2024-11-08 18:45:10,430 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 283 transitions. Word has length 175 [2024-11-08 18:45:10,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:45:10,431 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 283 transitions. [2024-11-08 18:45:10,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-08 18:45:10,432 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2024-11-08 18:45:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 18:45:10,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:45:10,434 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:45:10,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 18:45:10,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-08 18:45:10,638 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:45:10,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:45:10,639 INFO L85 PathProgramCache]: Analyzing trace with hash -349319459, now seen corresponding path program 1 times [2024-11-08 18:45:10,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:45:10,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214272920] [2024-11-08 18:45:10,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:10,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:45:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 18:45:10,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [843701787] [2024-11-08 18:45:10,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:10,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:10,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:45:10,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:45:10,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:45:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:45:11,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:45:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:45:11,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:45:11,471 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:45:11,472 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:45:11,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 18:45:11,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-08 18:45:11,678 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:45:11,831 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:45:11,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:45:11 BoogieIcfgContainer [2024-11-08 18:45:11,838 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:45:11,838 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:45:11,838 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:45:11,839 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:45:11,839 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:44:03" (3/4) ... [2024-11-08 18:45:11,842 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:45:11,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:45:11,845 INFO L158 Benchmark]: Toolchain (without parser) took 69824.23ms. Allocated memory was 148.9MB in the beginning and 685.8MB in the end (delta: 536.9MB). Free memory was 110.9MB in the beginning and 321.0MB in the end (delta: -210.1MB). Peak memory consumption was 328.3MB. Max. memory is 16.1GB. [2024-11-08 18:45:11,845 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 148.9MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:45:11,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.20ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 94.6MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:45:11,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.35ms. Allocated memory is still 148.9MB. Free memory was 94.6MB in the beginning and 90.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:45:11,846 INFO L158 Benchmark]: Boogie Preprocessor took 120.65ms. Allocated memory is still 148.9MB. Free memory was 90.5MB in the beginning and 84.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 18:45:11,847 INFO L158 Benchmark]: RCFGBuilder took 812.11ms. Allocated memory is still 148.9MB. Free memory was 84.3MB in the beginning and 61.0MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 18:45:11,847 INFO L158 Benchmark]: TraceAbstraction took 68213.79ms. Allocated memory was 148.9MB in the beginning and 685.8MB in the end (delta: 536.9MB). Free memory was 60.0MB in the beginning and 321.0MB in the end (delta: -260.9MB). Peak memory consumption was 278.0MB. Max. memory is 16.1GB. [2024-11-08 18:45:11,848 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 685.8MB. Free memory is still 321.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:45:11,850 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 148.9MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.20ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 94.6MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 143.35ms. Allocated memory is still 148.9MB. Free memory was 94.6MB in the beginning and 90.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.65ms. Allocated memory is still 148.9MB. Free memory was 90.5MB in the beginning and 84.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 812.11ms. Allocated memory is still 148.9MB. Free memory was 84.3MB in the beginning and 61.0MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 68213.79ms. Allocated memory was 148.9MB in the beginning and 685.8MB in the end (delta: 536.9MB). Free memory was 60.0MB in the beginning and 321.0MB in the end (delta: -260.9MB). Peak memory consumption was 278.0MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 685.8MB. Free memory is still 321.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 140. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 16; [L25] unsigned char var_1_4 = 4; [L26] unsigned char var_1_5 = 200; [L27] unsigned char var_1_6 = 1; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_9 = 0; [L31] signed short int var_1_10 = 128; [L32] signed short int var_1_11 = 5; [L33] signed char var_1_12 = -2; [L34] signed char var_1_13 = -32; [L35] signed char var_1_14 = 2; [L36] signed char var_1_15 = 25; [L37] signed char var_1_16 = 1; [L38] signed char var_1_17 = 0; [L39] signed long int var_1_18 = -16; [L40] float var_1_19 = 2.775; [L41] unsigned long int var_1_20 = 2381110720; [L42] float var_1_21 = 10000000000000.5; VAL [isInitial=0, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_2=25, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L144] isInitial = 1 [L145] FCALL initially() [L146] COND TRUE 1 [L147] FCALL updateLastVariables() [L148] CALL updateVariables() [L94] var_1_2 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L95] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L96] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L96] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L97] var_1_3 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L98] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L99] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L99] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L100] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L101] var_1_4 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L102] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L103] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L104] var_1_5 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L105] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L106] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L107] var_1_6 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_7=0, var_1_8=0, var_1_9=0] [L108] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_7=0, var_1_8=0, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L109] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L110] var_1_7 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_8=0, var_1_9=0] [L111] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_8=0, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L112] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L113] var_1_8 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_9=0] [L114] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_9=0] [L115] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=0] [L115] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=0] [L116] var_1_9 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1] [L117] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1] [L118] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L118] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L119] var_1_13 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L120] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L121] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L121] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L122] var_1_14 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_14 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L123] RET assume_abort_if_not(var_1_14 >= -127) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L124] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L124] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L125] var_1_16 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L126] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L127] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L127] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L128] var_1_17 = __VERIFIER_nondet_char() [L129] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L129] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L130] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L130] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L131] var_1_20 = __VERIFIER_nondet_ulong() [L132] CALL assume_abort_if_not(var_1_20 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L132] RET assume_abort_if_not(var_1_20 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L133] CALL assume_abort_if_not(var_1_20 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L133] RET assume_abort_if_not(var_1_20 <= 4294967295) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L134] var_1_21 = __VERIFIER_nondet_float() [L135] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L135] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L148] RET updateVariables() [L149] CALL step() [L46] COND FALSE !((var_1_2 / var_1_3) <= 2) [L57] var_1_1 = var_1_5 VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L59] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=32, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L60] COND TRUE stepLocal_0 <= var_1_2 [L61] var_1_10 = ((((var_1_5) < (var_1_3)) ? (var_1_5) : (var_1_3))) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L63] signed long int stepLocal_1 = ((((var_1_2) < (var_1_10)) ? (var_1_2) : (var_1_10))) + var_1_5; VAL [isInitial=1, stepLocal_1=0, var_1_10=0, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L64] COND TRUE var_1_1 >= stepLocal_1 [L65] var_1_11 = ((var_1_5 + var_1_2) + var_1_3) VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L71] var_1_12 = ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))) VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L72] COND TRUE \read(var_1_7) [L73] var_1_15 = (((((32) < ((16 + var_1_16))) ? (32) : ((16 + var_1_16)))) - var_1_17) VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L75] signed char stepLocal_2 = var_1_16; VAL [isInitial=1, stepLocal_2=32, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L76] COND TRUE stepLocal_2 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3))) [L77] var_1_18 = (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))) VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L81] COND TRUE 100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_1) VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L82] COND TRUE var_1_20 > 1u VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L83] COND TRUE \read(var_1_9) [L84] var_1_19 = var_1_21 VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=2, var_1_1=-256, var_1_20=-133985768, var_1_21=2, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L149] RET step() [L150] CALL, EXPR property() [L140-L141] return ((((((((var_1_2 / var_1_3) <= 2) ? ((var_1_3 < (((((~ var_1_2)) < (var_1_4)) ? ((~ var_1_2)) : (var_1_4)))) ? (var_1_1 == ((unsigned char) ((((var_1_5) < (16)) ? (var_1_5) : (16))))) : ((((var_1_6 || var_1_7) && var_1_8) || var_1_9) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_5)))) : (var_1_1 == ((unsigned char) var_1_5))) && ((var_1_3 <= var_1_2) ? (var_1_10 == ((signed short int) ((((var_1_5) < (var_1_3)) ? (var_1_5) : (var_1_3))))) : 1)) && ((var_1_1 >= (((((var_1_2) < (var_1_10)) ? (var_1_2) : (var_1_10))) + var_1_5)) ? (var_1_11 == ((signed short int) ((var_1_5 + var_1_2) + var_1_3))) : (var_1_8 ? (var_1_11 == ((signed short int) var_1_3)) : 1))) && (var_1_12 == ((signed char) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) && (var_1_7 ? (var_1_15 == ((signed char) (((((32) < ((16 + var_1_16))) ? (32) : ((16 + var_1_16)))) - var_1_17))) : 1)) && ((var_1_16 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3)))) ? (var_1_18 == ((signed long int) (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))))) : (var_1_18 == ((signed long int) 4)))) && ((100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_1)) ? ((var_1_20 > 1u) ? (var_1_9 ? (var_1_19 == ((float) var_1_21)) : (var_1_19 == ((float) var_1_21))) : (var_1_19 == ((float) var_1_21))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=2, var_1_1=-256, var_1_20=-133985768, var_1_21=2, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L150] RET, EXPR property() [L150] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=2, var_1_1=-256, var_1_20=-133985768, var_1_21=2, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=2, var_1_1=-256, var_1_20=-133985768, var_1_21=2, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 68.0s, OverallIterations: 8, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 976 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 949 mSDsluCounter, 3485 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2710 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2096 IncrementalHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 775 mSDtfsCounter, 2096 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1004 GetRequests, 906 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 14.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=204occurred in iteration=7, InterpolantAutomatonStates: 79, 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, 7 MinimizatonAttempts, 176 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 51.2s InterpolantComputationTime, 1913 NumberOfCodeBlocks, 1913 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1553 ConstructedInterpolants, 4 QuantifiedInterpolants, 11173 SizeOfPredicates, 4 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 13521/13608 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 [2024-11-08 18:45:12,065 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-08 18:45:12,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --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 cfa1db2b7b11c8a5c678532d9720edadc9dcf8095da3555b92876b462fef0528 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:45:14,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:45:14,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 18:45:14,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:45:14,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:45:14,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:45:14,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:45:14,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:45:14,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:45:14,860 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:45:14,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:45:14,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:45:14,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:45:14,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:45:14,866 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:45:14,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:45:14,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:45:14,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:45:14,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:45:14,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:45:14,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:45:14,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:45:14,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:45:14,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:45:14,874 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:45:14,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:45:14,875 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:45:14,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:45:14,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:45:14,876 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:45:14,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:45:14,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:45:14,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:45:14,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:45:14,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:45:14,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:45:14,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:45:14,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:45:14,883 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:45:14,883 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:45:14,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:45:14,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:45:14,899 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:45:14,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:45:14,899 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_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa1db2b7b11c8a5c678532d9720edadc9dcf8095da3555b92876b462fef0528 [2024-11-08 18:45:15,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:45:15,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:45:15,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:45:15,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:45:15,419 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:45:15,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i Unable to find full path for "g++" [2024-11-08 18:45:17,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:45:17,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:45:17,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i [2024-11-08 18:45:18,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/data/d32279380/161ab08b2c5942e19e7edefd1a9810cf/FLAG7fbf2126c [2024-11-08 18:45:18,020 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/data/d32279380/161ab08b2c5942e19e7edefd1a9810cf [2024-11-08 18:45:18,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:45:18,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:45:18,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:45:18,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:45:18,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:45:18,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294d9db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18, skipping insertion in model container [2024-11-08 18:45:18,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:45:18,360 WARN L250 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_86d7b339-551a-47bd-9e3b-9e7592567a77/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i[917,930] [2024-11-08 18:45:18,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:45:18,496 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:45:18,512 WARN L250 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_86d7b339-551a-47bd-9e3b-9e7592567a77/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i[917,930] [2024-11-08 18:45:18,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:45:18,577 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:45:18,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18 WrapperNode [2024-11-08 18:45:18,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:45:18,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:45:18,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:45:18,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:45:18,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,656 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2024-11-08 18:45:18,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:45:18,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:45:18,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:45:18,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:45:18,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,725 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:45:18,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:45:18,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:45:18,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:45:18,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:45:18,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (1/1) ... [2024-11-08 18:45:18,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:45:18,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:45:18,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:45:18,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:45:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:45:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:45:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:45:18,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:45:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:45:18,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:45:18,996 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:45:18,999 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:45:19,438 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 18:45:19,439 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:45:19,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:45:19,456 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:45:19,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:45:19 BoogieIcfgContainer [2024-11-08 18:45:19,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:45:19,459 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:45:19,460 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:45:19,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:45:19,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:45:18" (1/3) ... [2024-11-08 18:45:19,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d965cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:45:19, skipping insertion in model container [2024-11-08 18:45:19,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:45:18" (2/3) ... [2024-11-08 18:45:19,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d965cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:45:19, skipping insertion in model container [2024-11-08 18:45:19,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:45:19" (3/3) ... [2024-11-08 18:45:19,468 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-58.i [2024-11-08 18:45:19,490 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:45:19,491 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:45:19,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:45:19,620 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@386e0bba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:45:19,621 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:45:19,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 18:45:19,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 18:45:19,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:45:19,652 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:45:19,653 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:45:19,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:45:19,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1166779526, now seen corresponding path program 1 times [2024-11-08 18:45:19,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:45:19,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386379720] [2024-11-08 18:45:19,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:19,682 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 [2024-11-08 18:45:19,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:45:19,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:45:19,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:45:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:20,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:45:20,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:45:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 662 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2024-11-08 18:45:20,144 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:45:20,145 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:45:20,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386379720] [2024-11-08 18:45:20,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [386379720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:45:20,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:45:20,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:45:20,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517166704] [2024-11-08 18:45:20,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:45:20,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:45:20,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:45:20,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:45:20,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:45:20,203 INFO L87 Difference]: Start difference. First operand has 76 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-08 18:45:20,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:45:20,264 INFO L93 Difference]: Finished difference Result 145 states and 256 transitions. [2024-11-08 18:45:20,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:45:20,267 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2024-11-08 18:45:20,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:45:20,281 INFO L225 Difference]: With dead ends: 145 [2024-11-08 18:45:20,281 INFO L226 Difference]: Without dead ends: 72 [2024-11-08 18:45:20,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:45:20,295 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:45:20,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:45:20,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-08 18:45:20,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-08 18:45:20,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 18:45:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2024-11-08 18:45:20,381 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 173 [2024-11-08 18:45:20,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:45:20,385 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2024-11-08 18:45:20,385 INFO L472 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-08 18:45:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2024-11-08 18:45:20,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 18:45:20,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:45:20,392 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:45:20,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:45:20,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:45:20,598 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:45:20,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:45:20,600 INFO L85 PathProgramCache]: Analyzing trace with hash -216020090, now seen corresponding path program 1 times [2024-11-08 18:45:20,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:45:20,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243887034] [2024-11-08 18:45:20,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:20,604 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 [2024-11-08 18:45:20,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:45:20,608 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:45:20,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:45:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:20,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:45:20,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:45:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 403 proven. 69 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2024-11-08 18:45:21,945 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:45:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-08 18:45:22,383 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:45:22,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243887034] [2024-11-08 18:45:22,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243887034] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:45:22,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:45:22,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-08 18:45:22,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300972710] [2024-11-08 18:45:22,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:45:22,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:45:22,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:45:22,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:45:22,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:45:22,394 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-08 18:45:22,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:45:22,684 INFO L93 Difference]: Finished difference Result 161 states and 243 transitions. [2024-11-08 18:45:22,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:45:22,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2024-11-08 18:45:22,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:45:22,694 INFO L225 Difference]: With dead ends: 161 [2024-11-08 18:45:22,694 INFO L226 Difference]: Without dead ends: 92 [2024-11-08 18:45:22,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:45:22,698 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 28 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:45:22,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 280 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:45:22,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-08 18:45:22,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 74. [2024-11-08 18:45:22,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 44 states have (on average 1.25) internal successors, (55), 44 states have internal predecessors, (55), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 18:45:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2024-11-08 18:45:22,728 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 173 [2024-11-08 18:45:22,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:45:22,734 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2024-11-08 18:45:22,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-08 18:45:22,734 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2024-11-08 18:45:22,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 18:45:22,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:45:22,742 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:45:22,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-08 18:45:22,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:45:22,943 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:45:22,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:45:22,944 INFO L85 PathProgramCache]: Analyzing trace with hash -474185528, now seen corresponding path program 1 times [2024-11-08 18:45:22,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:45:22,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [142972345] [2024-11-08 18:45:22,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:22,945 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 [2024-11-08 18:45:22,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:45:22,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:45:22,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:45:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:23,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:45:23,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:45:23,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 277 proven. 6 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2024-11-08 18:45:23,336 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:45:23,476 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:45:23,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [142972345] [2024-11-08 18:45:23,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [142972345] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:45:23,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085486708] [2024-11-08 18:45:23,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:23,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:23,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:45:23,480 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:45:23,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 18:45:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:23,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 18:45:23,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:45:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 628 proven. 72 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2024-11-08 18:45:28,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:45:30,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085486708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:45:30,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:45:30,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 14] total 15 [2024-11-08 18:45:30,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81588946] [2024-11-08 18:45:30,720 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:45:30,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 18:45:30,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:45:30,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 18:45:30,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:45:30,724 INFO L87 Difference]: Start difference. First operand 74 states and 111 transitions. Second operand has 15 states, 15 states have (on average 4.933333333333334) internal successors, (74), 15 states have internal predecessors, (74), 4 states have call successors, (51), 4 states have call predecessors, (51), 6 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2024-11-08 18:45:49,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:45:49,834 INFO L93 Difference]: Finished difference Result 241 states and 348 transitions. [2024-11-08 18:45:49,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-08 18:45:49,835 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.933333333333334) internal successors, (74), 15 states have internal predecessors, (74), 4 states have call successors, (51), 4 states have call predecessors, (51), 6 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) Word has length 173 [2024-11-08 18:45:49,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:45:49,838 INFO L225 Difference]: With dead ends: 241 [2024-11-08 18:45:49,838 INFO L226 Difference]: Without dead ends: 170 [2024-11-08 18:45:49,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=392, Invalid=1014, Unknown=0, NotChecked=0, Total=1406 [2024-11-08 18:45:49,841 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 241 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:45:49,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 344 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2024-11-08 18:45:49,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-08 18:45:49,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 141. [2024-11-08 18:45:49,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 82 states have (on average 1.170731707317073) internal successors, (96), 83 states have internal predecessors, (96), 53 states have call successors, (53), 5 states have call predecessors, (53), 5 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-08 18:45:49,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 202 transitions. [2024-11-08 18:45:49,872 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 202 transitions. Word has length 173 [2024-11-08 18:45:49,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:45:49,873 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 202 transitions. [2024-11-08 18:45:49,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.933333333333334) internal successors, (74), 15 states have internal predecessors, (74), 4 states have call successors, (51), 4 states have call predecessors, (51), 6 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2024-11-08 18:45:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 202 transitions. [2024-11-08 18:45:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 18:45:49,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:45:49,876 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:45:49,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:45:50,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 18:45:50,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:50,281 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:45:50,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:45:50,282 INFO L85 PathProgramCache]: Analyzing trace with hash -349319459, now seen corresponding path program 1 times [2024-11-08 18:45:50,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:45:50,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108754893] [2024-11-08 18:45:50,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:50,284 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 [2024-11-08 18:45:50,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:45:50,287 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:45:50,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d7b339-551a-47bd-9e3b-9e7592567a77/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:45:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:50,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 18:45:50,527 INFO L278 TraceCheckSpWp]: Computing forward predicates...