./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/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_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/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 64bit --witnessprinter.graph.data.programhash ec4ad5c3087d33b41ea5a98e18a71d9d74f551b4f0d4a83a1cb74449f522f78e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:13:50,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:13:50,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-08 17:13:50,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:13:50,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:13:50,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:13:50,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:13:50,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:13:50,920 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:13:50,920 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:13:50,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:13:50,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:13:50,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:13:50,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:13:50,923 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:13:50,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:13:50,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:13:50,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:13:50,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:13:50,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:13:50,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:13:50,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:13:50,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:13:50,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:13:50,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:13:50,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:13:50,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:13:50,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:13:50,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:13:50,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:13:50,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:13:50,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:13:50,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:13:50,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:13:50,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:13:50,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:13:50,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:13:50,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:13:50,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:13:50,936 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_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4ad5c3087d33b41ea5a98e18a71d9d74f551b4f0d4a83a1cb74449f522f78e [2024-11-08 17:13:51,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:13:51,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:13:51,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:13:51,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:13:51,276 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:13:51,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c Unable to find full path for "g++" [2024-11-08 17:13:53,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:13:53,728 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:13:53,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2024-11-08 17:13:53,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/data/c6e03e6e1/a108c7efcd7b4374b8a1c676f8bf7737/FLAG8e4bf100f [2024-11-08 17:13:53,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/data/c6e03e6e1/a108c7efcd7b4374b8a1c676f8bf7737 [2024-11-08 17:13:53,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:13:53,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:13:53,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:13:53,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:13:53,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:13:53,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:13:53" (1/1) ... [2024-11-08 17:13:53,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7374f243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:53, skipping insertion in model container [2024-11-08 17:13:53,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:13:53" (1/1) ... [2024-11-08 17:13:53,885 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:13:54,130 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_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c[1268,1281] [2024-11-08 17:13:54,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:13:54,713 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:13:54,726 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_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c[1268,1281] [2024-11-08 17:13:54,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:13:54,975 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:13:54,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54 WrapperNode [2024-11-08 17:13:54,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:13:54,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:13:54,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:13:54,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:13:54,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (1/1) ... [2024-11-08 17:13:55,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (1/1) ... [2024-11-08 17:13:55,742 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4814 [2024-11-08 17:13:55,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:13:55,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:13:55,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:13:55,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:13:55,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (1/1) ... [2024-11-08 17:13:55,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (1/1) ... [2024-11-08 17:13:55,933 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (1/1) ... [2024-11-08 17:13:56,150 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 17:13:56,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (1/1) ... [2024-11-08 17:13:56,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (1/1) ... [2024-11-08 17:13:56,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (1/1) ... [2024-11-08 17:13:56,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (1/1) ... [2024-11-08 17:13:56,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (1/1) ... [2024-11-08 17:13:56,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (1/1) ... [2024-11-08 17:13:56,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:13:56,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:13:56,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:13:56,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:13:56,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (1/1) ... [2024-11-08 17:13:56,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:13:56,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:13:56,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:13:56,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:13:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:13:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:13:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:13:56,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:13:57,184 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:13:57,187 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:14:02,149 INFO L? ?]: Removed 3115 outVars from TransFormulas that were not future-live. [2024-11-08 17:14:02,149 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:14:02,181 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:14:02,181 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:14:02,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:14:02 BoogieIcfgContainer [2024-11-08 17:14:02,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:14:02,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:14:02,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:14:02,187 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:14:02,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:13:53" (1/3) ... [2024-11-08 17:14:02,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3470ce14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:14:02, skipping insertion in model container [2024-11-08 17:14:02,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:54" (2/3) ... [2024-11-08 17:14:02,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3470ce14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:14:02, skipping insertion in model container [2024-11-08 17:14:02,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:14:02" (3/3) ... [2024-11-08 17:14:02,191 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2024-11-08 17:14:02,209 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:14:02,209 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:14:02,310 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:14:02,317 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;@5eb75b25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:14:02,317 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:14:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 1111 states, 1109 states have (on average 1.4995491433724075) internal successors, (1663), 1110 states have internal predecessors, (1663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:02,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 17:14:02,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:02,341 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:02,342 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:02,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:02,348 INFO L85 PathProgramCache]: Analyzing trace with hash -571054694, now seen corresponding path program 1 times [2024-11-08 17:14:02,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:02,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743255425] [2024-11-08 17:14:02,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:02,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:14:03,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:03,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743255425] [2024-11-08 17:14:03,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743255425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:03,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:03,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:14:03,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466998108] [2024-11-08 17:14:03,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:03,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:14:03,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:03,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:14:03,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:14:03,606 INFO L87 Difference]: Start difference. First operand has 1111 states, 1109 states have (on average 1.4995491433724075) internal successors, (1663), 1110 states have internal predecessors, (1663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:03,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:03,765 INFO L93 Difference]: Finished difference Result 2102 states and 3150 transitions. [2024-11-08 17:14:03,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:14:03,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-08 17:14:03,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:03,786 INFO L225 Difference]: With dead ends: 2102 [2024-11-08 17:14:03,786 INFO L226 Difference]: Without dead ends: 1109 [2024-11-08 17:14:03,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:14:03,796 INFO L432 NwaCegarLoop]: 1655 mSDtfsCounter, 0 mSDsluCounter, 3304 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4959 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:03,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4959 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:14:03,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2024-11-08 17:14:03,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2024-11-08 17:14:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 1108 states have (on average 1.4972924187725631) internal successors, (1659), 1108 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:03,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1659 transitions. [2024-11-08 17:14:03,897 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1659 transitions. Word has length 81 [2024-11-08 17:14:03,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:03,898 INFO L471 AbstractCegarLoop]: Abstraction has 1109 states and 1659 transitions. [2024-11-08 17:14:03,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1659 transitions. [2024-11-08 17:14:03,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 17:14:03,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:03,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:03,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:14:03,903 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:03,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:03,905 INFO L85 PathProgramCache]: Analyzing trace with hash -521130679, now seen corresponding path program 1 times [2024-11-08 17:14:03,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:03,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423602999] [2024-11-08 17:14:03,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:03,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:14:04,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:04,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423602999] [2024-11-08 17:14:04,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423602999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:04,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:04,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:14:04,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811634677] [2024-11-08 17:14:04,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:04,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:14:04,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:04,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:14:04,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:14:04,288 INFO L87 Difference]: Start difference. First operand 1109 states and 1659 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:04,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:04,373 INFO L93 Difference]: Finished difference Result 2102 states and 3145 transitions. [2024-11-08 17:14:04,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:14:04,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-08 17:14:04,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:04,379 INFO L225 Difference]: With dead ends: 2102 [2024-11-08 17:14:04,379 INFO L226 Difference]: Without dead ends: 1111 [2024-11-08 17:14:04,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:14:04,384 INFO L432 NwaCegarLoop]: 1655 mSDtfsCounter, 0 mSDsluCounter, 3300 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4955 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:04,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4955 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:14:04,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2024-11-08 17:14:04,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 1111. [2024-11-08 17:14:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 1110 states have (on average 1.4963963963963964) internal successors, (1661), 1110 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:04,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1661 transitions. [2024-11-08 17:14:04,419 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1661 transitions. Word has length 82 [2024-11-08 17:14:04,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:04,421 INFO L471 AbstractCegarLoop]: Abstraction has 1111 states and 1661 transitions. [2024-11-08 17:14:04,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:04,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1661 transitions. [2024-11-08 17:14:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 17:14:04,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:04,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:04,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:14:04,427 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:04,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:04,428 INFO L85 PathProgramCache]: Analyzing trace with hash -73147309, now seen corresponding path program 1 times [2024-11-08 17:14:04,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:04,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911357049] [2024-11-08 17:14:04,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:04,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:06,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:14:06,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:06,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911357049] [2024-11-08 17:14:06,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911357049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:06,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:06,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:14:06,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591323251] [2024-11-08 17:14:06,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:06,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:14:06,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:06,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:14:06,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:14:06,210 INFO L87 Difference]: Start difference. First operand 1111 states and 1661 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:06,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:06,897 INFO L93 Difference]: Finished difference Result 2997 states and 4481 transitions. [2024-11-08 17:14:06,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:14:06,898 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-08 17:14:06,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:06,905 INFO L225 Difference]: With dead ends: 2997 [2024-11-08 17:14:06,906 INFO L226 Difference]: Without dead ends: 2004 [2024-11-08 17:14:06,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:14:06,909 INFO L432 NwaCegarLoop]: 1623 mSDtfsCounter, 4256 mSDsluCounter, 9735 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4256 SdHoareTripleChecker+Valid, 11358 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:06,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4256 Valid, 11358 Invalid, 242 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:14:06,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2024-11-08 17:14:06,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1123. [2024-11-08 17:14:06,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1122 states have (on average 1.4955436720142603) internal successors, (1678), 1122 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:06,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1678 transitions. [2024-11-08 17:14:06,939 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1678 transitions. Word has length 83 [2024-11-08 17:14:06,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:06,940 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1678 transitions. [2024-11-08 17:14:06,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:06,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1678 transitions. [2024-11-08 17:14:06,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 17:14:06,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:06,942 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:06,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:14:06,943 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:06,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:06,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1105346085, now seen corresponding path program 1 times [2024-11-08 17:14:06,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:06,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626474116] [2024-11-08 17:14:06,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:06,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:14:07,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:07,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626474116] [2024-11-08 17:14:07,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626474116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:07,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:07,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:14:07,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139354763] [2024-11-08 17:14:07,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:07,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:14:07,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:07,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:14:07,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:14:07,735 INFO L87 Difference]: Start difference. First operand 1123 states and 1678 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:08,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:08,182 INFO L93 Difference]: Finished difference Result 2998 states and 4481 transitions. [2024-11-08 17:14:08,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:14:08,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-08 17:14:08,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:08,190 INFO L225 Difference]: With dead ends: 2998 [2024-11-08 17:14:08,190 INFO L226 Difference]: Without dead ends: 2005 [2024-11-08 17:14:08,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:14:08,195 INFO L432 NwaCegarLoop]: 1629 mSDtfsCounter, 4237 mSDsluCounter, 6174 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4237 SdHoareTripleChecker+Valid, 7803 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:08,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4237 Valid, 7803 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:14:08,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2024-11-08 17:14:08,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1133. [2024-11-08 17:14:08,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 1132 states have (on average 1.4946996466431095) internal successors, (1692), 1132 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:08,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1692 transitions. [2024-11-08 17:14:08,224 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1692 transitions. Word has length 84 [2024-11-08 17:14:08,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:08,226 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1692 transitions. [2024-11-08 17:14:08,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:08,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1692 transitions. [2024-11-08 17:14:08,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 17:14:08,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:08,231 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:08,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:14:08,232 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:08,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:08,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1265388724, now seen corresponding path program 1 times [2024-11-08 17:14:08,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:08,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851993946] [2024-11-08 17:14:08,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:08,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:08,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:14:08,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:08,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851993946] [2024-11-08 17:14:08,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851993946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:08,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:08,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:14:08,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634805709] [2024-11-08 17:14:08,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:08,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:14:08,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:08,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:14:08,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:14:08,934 INFO L87 Difference]: Start difference. First operand 1133 states and 1692 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:09,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:09,330 INFO L93 Difference]: Finished difference Result 3005 states and 4489 transitions. [2024-11-08 17:14:09,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:14:09,331 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-08 17:14:09,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:09,337 INFO L225 Difference]: With dead ends: 3005 [2024-11-08 17:14:09,337 INFO L226 Difference]: Without dead ends: 2004 [2024-11-08 17:14:09,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:14:09,340 INFO L432 NwaCegarLoop]: 1631 mSDtfsCounter, 4230 mSDsluCounter, 6516 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4230 SdHoareTripleChecker+Valid, 8147 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:09,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4230 Valid, 8147 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:14:09,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2024-11-08 17:14:09,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1134. [2024-11-08 17:14:09,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 1133 states have (on average 1.4916151809355693) internal successors, (1690), 1133 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:09,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1690 transitions. [2024-11-08 17:14:09,369 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1690 transitions. Word has length 85 [2024-11-08 17:14:09,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:09,370 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1690 transitions. [2024-11-08 17:14:09,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:09,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1690 transitions. [2024-11-08 17:14:09,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 17:14:09,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:09,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:09,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:14:09,372 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:09,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:09,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1613216912, now seen corresponding path program 1 times [2024-11-08 17:14:09,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:09,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975901451] [2024-11-08 17:14:09,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:09,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:09,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:14:09,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:09,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975901451] [2024-11-08 17:14:09,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975901451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:09,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:09,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:14:09,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233035718] [2024-11-08 17:14:09,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:09,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:14:09,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:09,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:14:09,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:14:09,847 INFO L87 Difference]: Start difference. First operand 1134 states and 1690 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:10,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:10,116 INFO L93 Difference]: Finished difference Result 3000 states and 4479 transitions. [2024-11-08 17:14:10,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:14:10,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-08 17:14:10,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:10,123 INFO L225 Difference]: With dead ends: 3000 [2024-11-08 17:14:10,124 INFO L226 Difference]: Without dead ends: 1995 [2024-11-08 17:14:10,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:14:10,127 INFO L432 NwaCegarLoop]: 1634 mSDtfsCounter, 4217 mSDsluCounter, 3263 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4217 SdHoareTripleChecker+Valid, 4897 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:10,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4217 Valid, 4897 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:14:10,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2024-11-08 17:14:10,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1125. [2024-11-08 17:14:10,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 1124 states have (on average 1.49288256227758) internal successors, (1678), 1124 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:10,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1678 transitions. [2024-11-08 17:14:10,154 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1678 transitions. Word has length 85 [2024-11-08 17:14:10,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:10,155 INFO L471 AbstractCegarLoop]: Abstraction has 1125 states and 1678 transitions. [2024-11-08 17:14:10,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:10,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1678 transitions. [2024-11-08 17:14:10,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 17:14:10,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:10,158 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:10,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:14:10,159 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:10,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:10,159 INFO L85 PathProgramCache]: Analyzing trace with hash 480006245, now seen corresponding path program 1 times [2024-11-08 17:14:10,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:10,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231056989] [2024-11-08 17:14:10,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:10,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:11,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:14:11,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:11,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231056989] [2024-11-08 17:14:11,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231056989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:11,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:11,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:14:11,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311499503] [2024-11-08 17:14:11,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:11,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:14:11,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:11,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:14:11,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:14:11,270 INFO L87 Difference]: Start difference. First operand 1125 states and 1678 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:11,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:11,579 INFO L93 Difference]: Finished difference Result 2132 states and 3183 transitions. [2024-11-08 17:14:11,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:14:11,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-08 17:14:11,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:11,583 INFO L225 Difference]: With dead ends: 2132 [2024-11-08 17:14:11,583 INFO L226 Difference]: Without dead ends: 1139 [2024-11-08 17:14:11,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:14:11,589 INFO L432 NwaCegarLoop]: 1639 mSDtfsCounter, 1637 mSDsluCounter, 6565 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1637 SdHoareTripleChecker+Valid, 8204 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:11,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1637 Valid, 8204 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:14:11,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2024-11-08 17:14:11,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1131. [2024-11-08 17:14:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1130 states have (on average 1.4920353982300885) internal successors, (1686), 1130 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:11,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1686 transitions. [2024-11-08 17:14:11,620 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1686 transitions. Word has length 86 [2024-11-08 17:14:11,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:11,621 INFO L471 AbstractCegarLoop]: Abstraction has 1131 states and 1686 transitions. [2024-11-08 17:14:11,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1686 transitions. [2024-11-08 17:14:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 17:14:11,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:11,622 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:11,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:14:11,623 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:11,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:11,623 INFO L85 PathProgramCache]: Analyzing trace with hash -802271927, now seen corresponding path program 1 times [2024-11-08 17:14:11,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:11,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484467379] [2024-11-08 17:14:11,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:11,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:14:12,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:12,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484467379] [2024-11-08 17:14:12,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484467379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:12,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:12,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:14:12,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554624982] [2024-11-08 17:14:12,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:12,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:14:12,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:12,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:14:12,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:14:12,095 INFO L87 Difference]: Start difference. First operand 1131 states and 1686 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:12,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:12,370 INFO L93 Difference]: Finished difference Result 2993 states and 4469 transitions. [2024-11-08 17:14:12,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:14:12,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-08 17:14:12,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:12,377 INFO L225 Difference]: With dead ends: 2993 [2024-11-08 17:14:12,377 INFO L226 Difference]: Without dead ends: 1994 [2024-11-08 17:14:12,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:14:12,380 INFO L432 NwaCegarLoop]: 1633 mSDtfsCounter, 4206 mSDsluCounter, 3262 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4206 SdHoareTripleChecker+Valid, 4895 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:12,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4206 Valid, 4895 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:14:12,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2024-11-08 17:14:12,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1128. [2024-11-08 17:14:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1127 states have (on average 1.4915705412599822) internal successors, (1681), 1127 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1681 transitions. [2024-11-08 17:14:12,412 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1681 transitions. Word has length 86 [2024-11-08 17:14:12,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:12,413 INFO L471 AbstractCegarLoop]: Abstraction has 1128 states and 1681 transitions. [2024-11-08 17:14:12,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1681 transitions. [2024-11-08 17:14:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 17:14:12,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:12,414 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:12,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:14:12,415 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:12,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:12,415 INFO L85 PathProgramCache]: Analyzing trace with hash -692763159, now seen corresponding path program 1 times [2024-11-08 17:14:12,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:12,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245340238] [2024-11-08 17:14:12,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:12,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:12,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:14:12,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:12,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245340238] [2024-11-08 17:14:12,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245340238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:12,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:12,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:14:12,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513575317] [2024-11-08 17:14:12,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:12,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:14:12,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:12,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:14:12,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:14:12,923 INFO L87 Difference]: Start difference. First operand 1128 states and 1681 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:13,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:13,190 INFO L93 Difference]: Finished difference Result 2984 states and 4456 transitions. [2024-11-08 17:14:13,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:14:13,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-08 17:14:13,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:13,197 INFO L225 Difference]: With dead ends: 2984 [2024-11-08 17:14:13,197 INFO L226 Difference]: Without dead ends: 1991 [2024-11-08 17:14:13,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:14:13,200 INFO L432 NwaCegarLoop]: 1633 mSDtfsCounter, 4197 mSDsluCounter, 3262 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4197 SdHoareTripleChecker+Valid, 4895 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:13,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4197 Valid, 4895 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:14:13,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2024-11-08 17:14:13,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1128. [2024-11-08 17:14:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1127 states have (on average 1.4906832298136645) internal successors, (1680), 1127 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:13,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1680 transitions. [2024-11-08 17:14:13,229 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1680 transitions. Word has length 87 [2024-11-08 17:14:13,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:13,229 INFO L471 AbstractCegarLoop]: Abstraction has 1128 states and 1680 transitions. [2024-11-08 17:14:13,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:13,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1680 transitions. [2024-11-08 17:14:13,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 17:14:13,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:13,231 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:13,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:14:13,231 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:13,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:13,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1245618171, now seen corresponding path program 1 times [2024-11-08 17:14:13,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:13,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573435000] [2024-11-08 17:14:13,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:13,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:14:14,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:14,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573435000] [2024-11-08 17:14:14,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573435000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:14,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:14,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:14:14,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085004000] [2024-11-08 17:14:14,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:14,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:14:14,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:14,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:14:14,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:14:14,113 INFO L87 Difference]: Start difference. First operand 1128 states and 1680 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:14,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:14,270 INFO L93 Difference]: Finished difference Result 2125 states and 3171 transitions. [2024-11-08 17:14:14,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:14:14,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-08 17:14:14,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:14,274 INFO L225 Difference]: With dead ends: 2125 [2024-11-08 17:14:14,274 INFO L226 Difference]: Without dead ends: 1132 [2024-11-08 17:14:14,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:14:14,276 INFO L432 NwaCegarLoop]: 1647 mSDtfsCounter, 18 mSDsluCounter, 8200 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 9847 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:14,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 9847 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:14:14,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2024-11-08 17:14:14,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1131. [2024-11-08 17:14:14,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1130 states have (on average 1.4893805309734514) internal successors, (1683), 1130 states have internal predecessors, (1683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:14,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1683 transitions. [2024-11-08 17:14:14,308 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1683 transitions. Word has length 87 [2024-11-08 17:14:14,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:14,308 INFO L471 AbstractCegarLoop]: Abstraction has 1131 states and 1683 transitions. [2024-11-08 17:14:14,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:14,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1683 transitions. [2024-11-08 17:14:14,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 17:14:14,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:14,310 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:14,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:14:14,311 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:14,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:14,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1481847938, now seen corresponding path program 1 times [2024-11-08 17:14:14,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:14,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675685356] [2024-11-08 17:14:14,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:14,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:15,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:14:15,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:15,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675685356] [2024-11-08 17:14:15,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675685356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:15,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:15,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:14:15,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785865173] [2024-11-08 17:14:15,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:15,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:14:15,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:15,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:14:15,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:14:15,651 INFO L87 Difference]: Start difference. First operand 1131 states and 1683 transitions. Second operand has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:16,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:16,139 INFO L93 Difference]: Finished difference Result 2142 states and 3194 transitions. [2024-11-08 17:14:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:14:16,140 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-08 17:14:16,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:16,143 INFO L225 Difference]: With dead ends: 2142 [2024-11-08 17:14:16,143 INFO L226 Difference]: Without dead ends: 1146 [2024-11-08 17:14:16,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:14:16,145 INFO L432 NwaCegarLoop]: 1640 mSDtfsCounter, 5 mSDsluCounter, 16356 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 17996 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:16,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 17996 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:14:16,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2024-11-08 17:14:16,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1143. [2024-11-08 17:14:16,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1142 states have (on average 1.4903677758318739) internal successors, (1702), 1142 states have internal predecessors, (1702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1702 transitions. [2024-11-08 17:14:16,168 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1702 transitions. Word has length 88 [2024-11-08 17:14:16,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:16,169 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1702 transitions. [2024-11-08 17:14:16,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:16,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1702 transitions. [2024-11-08 17:14:16,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 17:14:16,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:16,170 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:14:16,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:14:16,170 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:16,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:16,171 INFO L85 PathProgramCache]: Analyzing trace with hash -313104766, now seen corresponding path program 1 times [2024-11-08 17:14:16,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:16,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442047870] [2024-11-08 17:14:16,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:16,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:14:16,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:14:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:14:16,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:14:16,399 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:14:16,400 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:14:16,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:14:16,404 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:14:16,458 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 17:14:16,476 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:14:16,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:14:16 BoogieIcfgContainer [2024-11-08 17:14:16,479 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:14:16,480 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:14:16,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:14:16,480 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:14:16,481 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:14:02" (3/4) ... [2024-11-08 17:14:16,483 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:14:16,485 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:14:16,485 INFO L158 Benchmark]: Toolchain (without parser) took 22702.49ms. Allocated memory was 125.8MB in the beginning and 882.9MB in the end (delta: 757.1MB). Free memory was 84.7MB in the beginning and 616.9MB in the end (delta: -532.1MB). Peak memory consumption was 226.6MB. Max. memory is 16.1GB. [2024-11-08 17:14:16,486 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:14:16,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1192.41ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 84.7MB in the beginning and 78.0MB in the end (delta: 6.8MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-08 17:14:16,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 765.46ms. Allocated memory was 169.9MB in the beginning and 285.2MB in the end (delta: 115.3MB). Free memory was 78.0MB in the beginning and 162.8MB in the end (delta: -84.9MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2024-11-08 17:14:16,487 INFO L158 Benchmark]: Boogie Preprocessor took 809.71ms. Allocated memory is still 285.2MB. Free memory was 162.8MB in the beginning and 150.3MB in the end (delta: 12.6MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2024-11-08 17:14:16,487 INFO L158 Benchmark]: RCFGBuilder took 5626.80ms. Allocated memory was 285.2MB in the beginning and 509.6MB in the end (delta: 224.4MB). Free memory was 150.3MB in the beginning and 177.6MB in the end (delta: -27.3MB). Peak memory consumption was 203.9MB. Max. memory is 16.1GB. [2024-11-08 17:14:16,487 INFO L158 Benchmark]: TraceAbstraction took 14295.85ms. Allocated memory was 509.6MB in the beginning and 882.9MB in the end (delta: 373.3MB). Free memory was 176.5MB in the beginning and 617.9MB in the end (delta: -441.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:14:16,488 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 882.9MB. Free memory was 617.9MB in the beginning and 616.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:14:16,489 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1192.41ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 84.7MB in the beginning and 78.0MB in the end (delta: 6.8MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 765.46ms. Allocated memory was 169.9MB in the beginning and 285.2MB in the end (delta: 115.3MB). Free memory was 78.0MB in the beginning and 162.8MB in the end (delta: -84.9MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 809.71ms. Allocated memory is still 285.2MB. Free memory was 162.8MB in the beginning and 150.3MB in the end (delta: 12.6MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * RCFGBuilder took 5626.80ms. Allocated memory was 285.2MB in the beginning and 509.6MB in the end (delta: 224.4MB). Free memory was 150.3MB in the beginning and 177.6MB in the end (delta: -27.3MB). Peak memory consumption was 203.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14295.85ms. Allocated memory was 509.6MB in the beginning and 882.9MB in the end (delta: 373.3MB). Free memory was 176.5MB in the beginning and 617.9MB in the end (delta: -441.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 882.9MB. Free memory was 617.9MB in the beginning and 616.9MB in the end (delta: 1.0MB). 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: 21]: 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 bitwiseOr at line 376. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L35] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 4); [L36] const SORT_12 msb_SORT_12 = (SORT_12)1 << (4 - 1); [L38] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 8); [L39] const SORT_16 msb_SORT_16 = (SORT_16)1 << (8 - 1); [L41] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L42] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L44] const SORT_21 var_22 = 1; [L45] const SORT_21 var_28 = 0; [L46] const SORT_21 var_32 = 2; [L47] const SORT_21 var_35 = 4; [L48] const SORT_21 var_38 = 64; [L49] const SORT_3 var_45 = 1; [L50] const SORT_3 var_49 = 0; [L51] const SORT_6 var_134 = 0; [L52] const SORT_21 var_728 = 8; [L53] const SORT_21 var_748 = 16; [L54] const SORT_21 var_763 = 32; [L56] SORT_1 input_2; [L57] SORT_3 input_4; [L58] SORT_3 input_5; [L59] SORT_6 input_7; [L60] SORT_3 input_8; [L61] SORT_3 input_9; [L62] SORT_3 input_10; [L63] SORT_3 input_11; [L64] SORT_12 input_13; [L65] SORT_3 input_14; [L66] SORT_3 input_15; [L67] SORT_16 input_17; [L68] SORT_3 input_18; [L69] SORT_3 input_19; [L70] SORT_3 input_20; [L71] SORT_3 input_356; [L72] SORT_3 input_378; [L73] SORT_3 input_393; [L74] SORT_3 input_408; [L75] SORT_3 input_423; [L76] SORT_3 input_438; [L77] SORT_3 input_453; [L78] SORT_3 input_468; [L79] SORT_3 input_483; [L80] SORT_3 input_498; [L81] SORT_3 input_513; [L82] SORT_3 input_528; [L83] SORT_3 input_543; [L84] SORT_3 input_558; [L85] SORT_3 input_573; [L86] SORT_3 input_588; [L87] SORT_3 input_604; [L88] SORT_3 input_606; [L89] SORT_3 input_608; [L90] SORT_3 input_610; [L91] SORT_3 input_612; [L92] SORT_3 input_614; [L93] SORT_3 input_616; [L94] SORT_3 input_618; [L95] SORT_3 input_623; [L96] SORT_21 input_664; [L97] SORT_21 input_665; [L98] SORT_21 input_666; [L99] SORT_21 input_667; [L100] SORT_21 input_670; [L101] SORT_21 input_674; [L102] SORT_21 input_678; [L103] SORT_21 input_686; [L104] SORT_21 input_690; [L105] SORT_21 input_692; [L106] SORT_21 input_696; [L107] SORT_21 input_699; [L108] SORT_21 input_703; [L109] SORT_21 input_708; [L110] SORT_21 input_712; [L111] SORT_21 input_717; [L112] SORT_21 input_719; [L113] SORT_21 input_720; [L114] SORT_21 input_722; [L115] SORT_21 input_726; [L116] SORT_21 input_732; [L117] SORT_21 input_739; [L118] SORT_21 input_740; [L119] SORT_21 input_742; [L120] SORT_21 input_746; [L121] SORT_21 input_752; [L122] SORT_21 input_754; [L123] SORT_21 input_755; [L124] SORT_21 input_757; [L125] SORT_21 input_761; [L126] SORT_21 input_767; [L127] SORT_21 input_771; [L128] SORT_21 input_776; [L129] SORT_21 input_778; [L130] SORT_21 input_784; [L131] SORT_21 input_796; [L132] SORT_3 input_801; [L133] SORT_3 input_810; [L134] SORT_3 input_829; [L135] SORT_3 input_836; [L136] SORT_3 input_847; [L137] SORT_3 input_853; [L138] SORT_3 input_859; [L139] SORT_3 input_865; [L140] SORT_3 input_871; [L141] SORT_3 input_877; [L142] SORT_3 input_883; [L143] SORT_3 input_889; [L144] SORT_3 input_895; [L145] SORT_3 input_901; [L146] SORT_3 input_907; [L147] SORT_3 input_913; [L148] SORT_3 input_919; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L150] SORT_21 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L151] SORT_21 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L152] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L153] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L154] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L155] SORT_3 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L156] SORT_3 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L157] SORT_3 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L158] SORT_3 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L159] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L159] SORT_3 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L160] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L160] SORT_3 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L161] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L161] SORT_3 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L162] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L162] SORT_3 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L163] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L163] SORT_3 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L164] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L164] SORT_3 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L165] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L165] SORT_3 state_120 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L166] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L166] SORT_3 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L167] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L167] SORT_3 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L168] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L168] SORT_3 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L169] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L169] SORT_3 state_149 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L170] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L170] SORT_3 state_154 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L171] SORT_3 state_157 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L172] SORT_3 state_169 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L173] SORT_3 state_179 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L174] SORT_3 state_184 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L175] SORT_3 state_187 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L176] SORT_3 state_196 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L177] SORT_3 state_209 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L178] SORT_3 state_222 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L180] SORT_21 init_24_arg_1 = var_22; [L181] state_23 = init_24_arg_1 [L182] SORT_21 init_27_arg_1 = var_22; [L183] state_26 = init_27_arg_1 [L184] SORT_3 init_51_arg_1 = var_49; [L185] state_50 = init_51_arg_1 [L186] SORT_3 init_53_arg_1 = var_49; [L187] state_52 = init_53_arg_1 [L188] SORT_3 init_55_arg_1 = var_49; [L189] state_54 = init_55_arg_1 [L190] SORT_3 init_59_arg_1 = var_49; [L191] state_58 = init_59_arg_1 [L192] SORT_3 init_63_arg_1 = var_49; [L193] state_62 = init_63_arg_1 [L194] SORT_3 init_67_arg_1 = var_49; [L195] state_66 = init_67_arg_1 [L196] SORT_3 init_83_arg_1 = var_49; [L197] state_82 = init_83_arg_1 [L198] SORT_3 init_100_arg_1 = var_49; [L199] state_99 = init_100_arg_1 [L200] SORT_3 init_103_arg_1 = var_49; [L201] state_102 = init_103_arg_1 [L202] SORT_3 init_105_arg_1 = var_49; [L203] state_104 = init_105_arg_1 [L204] SORT_3 init_109_arg_1 = var_49; [L205] state_108 = init_109_arg_1 [L206] SORT_3 init_113_arg_1 = var_49; [L207] state_112 = init_113_arg_1 [L208] SORT_3 init_118_arg_1 = var_49; [L209] state_117 = init_118_arg_1 [L210] SORT_3 init_121_arg_1 = var_49; [L211] state_120 = init_121_arg_1 [L212] SORT_3 init_131_arg_1 = var_49; [L213] state_130 = init_131_arg_1 [L214] SORT_3 init_138_arg_1 = var_49; [L215] state_137 = init_138_arg_1 [L216] SORT_3 init_141_arg_1 = var_49; [L217] state_140 = init_141_arg_1 [L218] SORT_3 init_150_arg_1 = var_49; [L219] state_149 = init_150_arg_1 [L220] SORT_3 init_155_arg_1 = var_49; [L221] state_154 = init_155_arg_1 [L222] SORT_3 init_158_arg_1 = var_49; [L223] state_157 = init_158_arg_1 [L224] SORT_3 init_170_arg_1 = var_49; [L225] state_169 = init_170_arg_1 [L226] SORT_3 init_180_arg_1 = var_49; [L227] state_179 = init_180_arg_1 [L228] SORT_3 init_185_arg_1 = var_49; [L229] state_184 = init_185_arg_1 [L230] SORT_3 init_188_arg_1 = var_49; [L231] state_187 = init_188_arg_1 [L232] SORT_3 init_197_arg_1 = var_49; [L233] state_196 = init_197_arg_1 [L234] SORT_3 init_210_arg_1 = var_49; [L235] state_209 = init_210_arg_1 [L236] SORT_3 init_223_arg_1 = var_49; [L237] state_222 = init_223_arg_1 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L240] input_2 = __VERIFIER_nondet_uchar() [L241] input_4 = __VERIFIER_nondet_uchar() [L242] input_5 = __VERIFIER_nondet_uchar() [L243] input_7 = __VERIFIER_nondet_uchar() [L244] EXPR input_7 & mask_SORT_6 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L244] input_7 = input_7 & mask_SORT_6 [L245] input_8 = __VERIFIER_nondet_uchar() [L246] input_9 = __VERIFIER_nondet_uchar() [L247] input_10 = __VERIFIER_nondet_uchar() [L248] input_11 = __VERIFIER_nondet_uchar() [L249] input_13 = __VERIFIER_nondet_uchar() [L250] input_14 = __VERIFIER_nondet_uchar() [L251] input_15 = __VERIFIER_nondet_uchar() [L252] input_17 = __VERIFIER_nondet_uchar() [L253] input_18 = __VERIFIER_nondet_uchar() [L254] input_19 = __VERIFIER_nondet_uchar() [L255] input_20 = __VERIFIER_nondet_uchar() [L256] input_356 = __VERIFIER_nondet_uchar() [L257] input_378 = __VERIFIER_nondet_uchar() [L258] input_393 = __VERIFIER_nondet_uchar() [L259] input_408 = __VERIFIER_nondet_uchar() [L260] input_423 = __VERIFIER_nondet_uchar() [L261] input_438 = __VERIFIER_nondet_uchar() [L262] input_453 = __VERIFIER_nondet_uchar() [L263] input_468 = __VERIFIER_nondet_uchar() [L264] input_483 = __VERIFIER_nondet_uchar() [L265] input_498 = __VERIFIER_nondet_uchar() [L266] input_513 = __VERIFIER_nondet_uchar() [L267] input_528 = __VERIFIER_nondet_uchar() [L268] input_543 = __VERIFIER_nondet_uchar() [L269] input_558 = __VERIFIER_nondet_uchar() [L270] input_573 = __VERIFIER_nondet_uchar() [L271] input_588 = __VERIFIER_nondet_uchar() [L272] input_604 = __VERIFIER_nondet_uchar() [L273] input_606 = __VERIFIER_nondet_uchar() [L274] input_608 = __VERIFIER_nondet_uchar() [L275] input_610 = __VERIFIER_nondet_uchar() [L276] input_612 = __VERIFIER_nondet_uchar() [L277] input_614 = __VERIFIER_nondet_uchar() [L278] input_616 = __VERIFIER_nondet_uchar() [L279] input_618 = __VERIFIER_nondet_uchar() [L280] input_623 = __VERIFIER_nondet_uchar() [L281] input_664 = __VERIFIER_nondet_uchar() [L282] input_665 = __VERIFIER_nondet_uchar() [L283] input_666 = __VERIFIER_nondet_uchar() [L284] input_667 = __VERIFIER_nondet_uchar() [L285] input_670 = __VERIFIER_nondet_uchar() [L286] input_674 = __VERIFIER_nondet_uchar() [L287] input_678 = __VERIFIER_nondet_uchar() [L288] input_686 = __VERIFIER_nondet_uchar() [L289] input_690 = __VERIFIER_nondet_uchar() [L290] input_692 = __VERIFIER_nondet_uchar() [L291] input_696 = __VERIFIER_nondet_uchar() [L292] input_699 = __VERIFIER_nondet_uchar() [L293] input_703 = __VERIFIER_nondet_uchar() [L294] input_708 = __VERIFIER_nondet_uchar() [L295] input_712 = __VERIFIER_nondet_uchar() [L296] input_717 = __VERIFIER_nondet_uchar() [L297] input_719 = __VERIFIER_nondet_uchar() [L298] input_720 = __VERIFIER_nondet_uchar() [L299] input_722 = __VERIFIER_nondet_uchar() [L300] input_726 = __VERIFIER_nondet_uchar() [L301] input_732 = __VERIFIER_nondet_uchar() [L302] input_739 = __VERIFIER_nondet_uchar() [L303] input_740 = __VERIFIER_nondet_uchar() [L304] input_742 = __VERIFIER_nondet_uchar() [L305] input_746 = __VERIFIER_nondet_uchar() [L306] input_752 = __VERIFIER_nondet_uchar() [L307] input_754 = __VERIFIER_nondet_uchar() [L308] input_755 = __VERIFIER_nondet_uchar() [L309] input_757 = __VERIFIER_nondet_uchar() [L310] input_761 = __VERIFIER_nondet_uchar() [L311] input_767 = __VERIFIER_nondet_uchar() [L312] input_771 = __VERIFIER_nondet_uchar() [L313] input_776 = __VERIFIER_nondet_uchar() [L314] input_778 = __VERIFIER_nondet_uchar() [L315] input_784 = __VERIFIER_nondet_uchar() [L316] input_796 = __VERIFIER_nondet_uchar() [L317] input_801 = __VERIFIER_nondet_uchar() [L318] input_810 = __VERIFIER_nondet_uchar() [L319] input_829 = __VERIFIER_nondet_uchar() [L320] input_836 = __VERIFIER_nondet_uchar() [L321] input_847 = __VERIFIER_nondet_uchar() [L322] input_853 = __VERIFIER_nondet_uchar() [L323] input_859 = __VERIFIER_nondet_uchar() [L324] input_865 = __VERIFIER_nondet_uchar() [L325] input_871 = __VERIFIER_nondet_uchar() [L326] input_877 = __VERIFIER_nondet_uchar() [L327] input_883 = __VERIFIER_nondet_uchar() [L328] input_889 = __VERIFIER_nondet_uchar() [L329] input_895 = __VERIFIER_nondet_uchar() [L330] input_901 = __VERIFIER_nondet_uchar() [L331] input_907 = __VERIFIER_nondet_uchar() [L332] input_913 = __VERIFIER_nondet_uchar() [L333] input_919 = __VERIFIER_nondet_uchar() [L336] SORT_21 var_25_arg_0 = state_23; [L337] SORT_21 var_25_arg_1 = var_22; [L338] SORT_3 var_25 = var_25_arg_0 == var_25_arg_1; [L339] SORT_21 var_29_arg_0 = state_26; [L340] SORT_21 var_29_arg_1 = var_28; [L341] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L342] SORT_21 var_30_arg_0 = state_26; [L343] SORT_21 var_30_arg_1 = var_22; [L344] SORT_3 var_30 = var_30_arg_0 == var_30_arg_1; [L345] SORT_3 var_31_arg_0 = var_29; [L346] SORT_3 var_31_arg_1 = var_30; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_25=1, var_28=0, var_31_arg_0=0, var_31_arg_1=1, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L347] EXPR var_31_arg_0 | var_31_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_25=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L347] SORT_3 var_31 = var_31_arg_0 | var_31_arg_1; [L348] SORT_21 var_33_arg_0 = state_26; [L349] SORT_21 var_33_arg_1 = var_32; [L350] SORT_3 var_33 = var_33_arg_0 == var_33_arg_1; [L351] SORT_3 var_34_arg_0 = var_31; [L352] SORT_3 var_34_arg_1 = var_33; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_25=1, var_28=0, var_32=2, var_34_arg_0=1, var_34_arg_1=0, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L353] EXPR var_34_arg_0 | var_34_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_25=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L353] SORT_3 var_34 = var_34_arg_0 | var_34_arg_1; [L354] SORT_21 var_36_arg_0 = state_26; [L355] SORT_21 var_36_arg_1 = var_35; [L356] SORT_3 var_36 = var_36_arg_0 == var_36_arg_1; [L357] SORT_3 var_37_arg_0 = var_34; [L358] SORT_3 var_37_arg_1 = var_36; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_25=1, var_28=0, var_32=2, var_35=4, var_37_arg_0=1, var_37_arg_1=0, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L359] EXPR var_37_arg_0 | var_37_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_25=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L359] SORT_3 var_37 = var_37_arg_0 | var_37_arg_1; [L360] SORT_21 var_39_arg_0 = state_26; [L361] SORT_21 var_39_arg_1 = var_38; [L362] SORT_3 var_39 = var_39_arg_0 == var_39_arg_1; [L363] SORT_3 var_40_arg_0 = var_37; [L364] SORT_3 var_40_arg_1 = var_39; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_25=1, var_28=0, var_32=2, var_35=4, var_38=64, var_40_arg_0=1, var_40_arg_1=0, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L365] EXPR var_40_arg_0 | var_40_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_25=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L365] SORT_3 var_40 = var_40_arg_0 | var_40_arg_1; [L366] SORT_3 var_41_arg_0 = var_25; [L367] SORT_3 var_41_arg_1 = var_40; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_41_arg_0=1, var_41_arg_1=1, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L368] EXPR var_41_arg_0 & var_41_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L368] SORT_3 var_41 = var_41_arg_0 & var_41_arg_1; [L369] SORT_21 var_42_arg_0 = state_23; [L370] SORT_21 var_42_arg_1 = var_22; [L371] SORT_3 var_42 = var_42_arg_0 == var_42_arg_1; [L372] SORT_3 var_43_arg_0 = var_42; [L373] SORT_3 var_43 = ~var_43_arg_0; [L374] SORT_3 var_44_arg_0 = var_41; [L375] SORT_3 var_44_arg_1 = var_43; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_44_arg_0=1, var_44_arg_1=-2, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L376] EXPR var_44_arg_0 | var_44_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L376] SORT_3 var_44 = var_44_arg_0 | var_44_arg_1; [L377] SORT_3 var_46_arg_0 = var_44; [L378] SORT_3 var_46 = ~var_46_arg_0; [L379] SORT_3 var_47_arg_0 = var_45; [L380] SORT_3 var_47_arg_1 = var_46; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_47_arg_0=1, var_47_arg_1=-255, var_49=0, var_728=8, var_748=16, var_763=32] [L381] EXPR var_47_arg_0 & var_47_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L381] SORT_3 var_47 = var_47_arg_0 & var_47_arg_1; [L382] EXPR var_47 & mask_SORT_3 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L382] var_47 = var_47 & mask_SORT_3 [L383] SORT_3 bad_48_arg_0 = var_47; [L384] CALL __VERIFIER_assert(!(bad_48_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.1s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27003 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27003 mSDsluCounter, 87956 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69937 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1233 IncrementalHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 18019 mSDtfsCounter, 1233 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1143occurred in iteration=11, InterpolantAutomatonStates: 73, 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, 11 MinimizatonAttempts, 5234 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 1023 NumberOfCodeBlocks, 1023 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 923 ConstructedInterpolants, 0 QuantifiedInterpolants, 4004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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 17:14:16,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/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_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/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_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/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 64bit --witnessprinter.graph.data.programhash ec4ad5c3087d33b41ea5a98e18a71d9d74f551b4f0d4a83a1cb74449f522f78e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:14:18,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:14:19,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-08 17:14:19,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:14:19,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:14:19,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:14:19,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:14:19,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:14:19,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:14:19,106 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:14:19,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:14:19,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:14:19,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:14:19,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:14:19,108 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:14:19,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:14:19,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:14:19,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:14:19,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:14:19,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:14:19,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:14:19,111 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:14:19,112 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:14:19,112 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:14:19,113 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:14:19,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:14:19,113 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:14:19,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:14:19,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:14:19,115 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:14:19,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:14:19,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:14:19,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:14:19,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:14:19,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:14:19,117 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:14:19,117 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:14:19,118 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:14:19,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:14:19,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:14:19,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:14:19,131 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_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4ad5c3087d33b41ea5a98e18a71d9d74f551b4f0d4a83a1cb74449f522f78e [2024-11-08 17:14:19,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:14:19,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:14:19,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:14:19,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:14:19,550 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:14:19,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c Unable to find full path for "g++" [2024-11-08 17:14:21,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:14:22,130 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:14:22,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2024-11-08 17:14:22,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/data/c071f91f0/60ccd6065bea4ae8aa2f8a2113bf5533/FLAG60620db07 [2024-11-08 17:14:22,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/data/c071f91f0/60ccd6065bea4ae8aa2f8a2113bf5533 [2024-11-08 17:14:22,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:14:22,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:14:22,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:14:22,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:14:22,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:14:22,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:14:22" (1/1) ... [2024-11-08 17:14:22,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626ed1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:22, skipping insertion in model container [2024-11-08 17:14:22,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:14:22" (1/1) ... [2024-11-08 17:14:22,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:14:22,529 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_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c[1268,1281] [2024-11-08 17:14:23,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:14:23,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:14:23,030 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_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c[1268,1281] [2024-11-08 17:14:23,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:14:23,255 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:14:23,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23 WrapperNode [2024-11-08 17:14:23,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:14:23,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:14:23,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:14:23,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:14:23,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (1/1) ... [2024-11-08 17:14:23,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (1/1) ... [2024-11-08 17:14:23,415 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2614 [2024-11-08 17:14:23,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:14:23,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:14:23,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:14:23,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:14:23,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (1/1) ... [2024-11-08 17:14:23,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (1/1) ... [2024-11-08 17:14:23,448 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (1/1) ... [2024-11-08 17:14:23,519 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 17:14:23,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (1/1) ... [2024-11-08 17:14:23,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (1/1) ... [2024-11-08 17:14:23,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (1/1) ... [2024-11-08 17:14:23,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (1/1) ... [2024-11-08 17:14:23,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (1/1) ... [2024-11-08 17:14:23,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (1/1) ... [2024-11-08 17:14:23,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:14:23,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:14:23,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:14:23,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:14:23,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (1/1) ... [2024-11-08 17:14:23,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:14:23,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:14:23,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:14:23,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:14:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:14:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:14:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:14:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:14:24,398 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:14:24,403 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:14:28,242 INFO L? ?]: Removed 155 outVars from TransFormulas that were not future-live. [2024-11-08 17:14:28,242 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:14:28,257 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:14:28,257 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:14:28,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:14:28 BoogieIcfgContainer [2024-11-08 17:14:28,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:14:28,262 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:14:28,262 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:14:28,266 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:14:28,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:14:22" (1/3) ... [2024-11-08 17:14:28,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780ab6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:14:28, skipping insertion in model container [2024-11-08 17:14:28,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:14:23" (2/3) ... [2024-11-08 17:14:28,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780ab6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:14:28, skipping insertion in model container [2024-11-08 17:14:28,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:14:28" (3/3) ... [2024-11-08 17:14:28,272 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2024-11-08 17:14:28,291 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:14:28,291 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:14:28,362 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:14:28,371 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;@2452b524, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:14:28,371 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:14:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:28,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 17:14:28,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:28,386 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-08 17:14:28,386 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:28,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:28,393 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-08 17:14:28,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:14:28,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [737890366] [2024-11-08 17:14:28,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:28,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:14:28,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:14:28,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:14:28,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:14:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:29,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 17:14:29,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:14:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:14:29,299 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:14:29,300 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:14:29,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737890366] [2024-11-08 17:14:29,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737890366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:29,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:29,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:14:29,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849052092] [2024-11-08 17:14:29,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:29,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:14:29,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:14:29,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:14:29,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:14:29,334 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:29,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:29,430 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions. [2024-11-08 17:14:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:14:29,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-08 17:14:29,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:29,441 INFO L225 Difference]: With dead ends: 18 [2024-11-08 17:14:29,441 INFO L226 Difference]: Without dead ends: 9 [2024-11-08 17:14:29,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:14:29,448 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:29,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:14:29,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-08 17:14:29,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-08 17:14:29,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:29,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 17:14:29,480 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-08 17:14:29,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:29,481 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-08 17:14:29,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:14:29,481 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 17:14:29,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 17:14:29,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:29,482 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-08 17:14:29,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 17:14:29,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:14:29,684 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:29,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:29,685 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-08 17:14:29,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:14:29,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [146786076] [2024-11-08 17:14:29,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:29,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:14:29,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:14:29,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:14:29,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3d699d-fd0c-4ae2-a20e-8eee769e5677/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:14:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:30,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-08 17:14:30,632 INFO L278 TraceCheckSpWp]: Computing forward predicates...