./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_p2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/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_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/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_651f7020-aa58-46ca-bc50-d656a4924a5a/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 7eccc5bbdbaf49f286af1eaa6e037aac70bd43bbdd029365a1ddd6424cc3712f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:38:13,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:38:13,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-08 17:38:13,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:38:13,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:38:13,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:38:13,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:38:13,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:38:13,668 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:38:13,669 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:38:13,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:38:13,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:38:13,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:38:13,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:38:13,672 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:38:13,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:38:13,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:38:13,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:38:13,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:38:13,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:38:13,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:38:13,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:38:13,677 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:38:13,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:38:13,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:38:13,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:38:13,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:38:13,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:38:13,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:38:13,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:38:13,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:38:13,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:38:13,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:38:13,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:38:13,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:38:13,683 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:38:13,683 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:38:13,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:38:13,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:38:13,685 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_651f7020-aa58-46ca-bc50-d656a4924a5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7eccc5bbdbaf49f286af1eaa6e037aac70bd43bbdd029365a1ddd6424cc3712f [2024-11-08 17:38:13,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:38:14,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:38:14,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:38:14,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:38:14,039 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:38:14,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c Unable to find full path for "g++" [2024-11-08 17:38:16,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:38:16,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:38:16,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2024-11-08 17:38:16,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/data/5542b093b/6bb3459172fc4417915ce3745258a9f3/FLAGc940160a6 [2024-11-08 17:38:16,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/data/5542b093b/6bb3459172fc4417915ce3745258a9f3 [2024-11-08 17:38:16,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:38:16,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:38:16,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:38:16,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:38:16,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:38:16,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:38:16" (1/1) ... [2024-11-08 17:38:16,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b232c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:16, skipping insertion in model container [2024-11-08 17:38:16,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:38:16" (1/1) ... [2024-11-08 17:38:16,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:38:17,176 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_651f7020-aa58-46ca-bc50-d656a4924a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c[1268,1281] [2024-11-08 17:38:17,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:38:17,896 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:38:17,906 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_651f7020-aa58-46ca-bc50-d656a4924a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c[1268,1281] [2024-11-08 17:38:18,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:38:18,161 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:38:18,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18 WrapperNode [2024-11-08 17:38:18,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:38:18,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:38:18,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:38:18,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:38:18,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (1/1) ... [2024-11-08 17:38:18,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (1/1) ... [2024-11-08 17:38:18,815 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4882 [2024-11-08 17:38:18,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:38:18,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:38:18,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:38:18,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:38:18,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (1/1) ... [2024-11-08 17:38:18,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (1/1) ... [2024-11-08 17:38:18,943 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (1/1) ... [2024-11-08 17:38:19,075 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 17:38:19,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (1/1) ... [2024-11-08 17:38:19,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (1/1) ... [2024-11-08 17:38:19,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (1/1) ... [2024-11-08 17:38:19,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (1/1) ... [2024-11-08 17:38:19,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (1/1) ... [2024-11-08 17:38:19,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (1/1) ... [2024-11-08 17:38:19,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:38:19,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:38:19,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:38:19,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:38:19,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (1/1) ... [2024-11-08 17:38:19,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:38:19,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:38:19,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:38:19,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:38:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:38:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:38:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:38:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:38:20,227 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:38:20,230 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:38:26,864 INFO L? ?]: Removed 3163 outVars from TransFormulas that were not future-live. [2024-11-08 17:38:26,865 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:38:26,927 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:38:26,927 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:38:26,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:38:26 BoogieIcfgContainer [2024-11-08 17:38:26,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:38:26,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:38:26,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:38:26,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:38:26,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:38:16" (1/3) ... [2024-11-08 17:38:26,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cafc6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:38:26, skipping insertion in model container [2024-11-08 17:38:26,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:18" (2/3) ... [2024-11-08 17:38:26,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cafc6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:38:26, skipping insertion in model container [2024-11-08 17:38:26,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:38:26" (3/3) ... [2024-11-08 17:38:26,947 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2024-11-08 17:38:26,972 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:38:26,972 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:38:27,113 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:38:27,124 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;@1e1d7354, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:38:27,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:38:27,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 1131 states, 1129 states have (on average 1.49955713020372) internal successors, (1693), 1130 states have internal predecessors, (1693), 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 17:38:27,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 17:38:27,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:27,151 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, 1, 1] [2024-11-08 17:38:27,156 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:27,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:27,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1074970508, now seen corresponding path program 1 times [2024-11-08 17:38:27,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:27,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186761570] [2024-11-08 17:38:27,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:27,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:28,658 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 17:38:28,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:28,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186761570] [2024-11-08 17:38:28,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186761570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:28,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:28,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:38:28,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238772796] [2024-11-08 17:38:28,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:28,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:38:28,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:28,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:38:28,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:38:28,716 INFO L87 Difference]: Start difference. First operand has 1131 states, 1129 states have (on average 1.49955713020372) internal successors, (1693), 1130 states have internal predecessors, (1693), 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 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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 17:38:28,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:28,941 INFO L93 Difference]: Finished difference Result 2142 states and 3210 transitions. [2024-11-08 17:38:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:38:28,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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 91 [2024-11-08 17:38:28,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:28,964 INFO L225 Difference]: With dead ends: 2142 [2024-11-08 17:38:28,964 INFO L226 Difference]: Without dead ends: 1129 [2024-11-08 17:38:28,972 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 17:38:28,976 INFO L432 NwaCegarLoop]: 1685 mSDtfsCounter, 0 mSDsluCounter, 3364 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5049 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:28,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5049 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:38:29,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2024-11-08 17:38:29,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2024-11-08 17:38:29,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 1128 states have (on average 1.497340425531915) internal successors, (1689), 1128 states have internal predecessors, (1689), 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 17:38:29,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1689 transitions. [2024-11-08 17:38:29,100 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1689 transitions. Word has length 91 [2024-11-08 17:38:29,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:29,101 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1689 transitions. [2024-11-08 17:38:29,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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 17:38:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1689 transitions. [2024-11-08 17:38:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 17:38:29,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:29,105 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, 1, 1, 1] [2024-11-08 17:38:29,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:38:29,106 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:29,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:29,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1033956904, now seen corresponding path program 1 times [2024-11-08 17:38:29,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:29,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614351362] [2024-11-08 17:38:29,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:29,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:29,596 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 17:38:29,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:29,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614351362] [2024-11-08 17:38:29,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614351362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:29,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:29,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:38:29,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471774312] [2024-11-08 17:38:29,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:29,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:38:29,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:29,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:38:29,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:38:29,604 INFO L87 Difference]: Start difference. First operand 1129 states and 1689 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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 17:38:29,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:29,687 INFO L93 Difference]: Finished difference Result 2142 states and 3205 transitions. [2024-11-08 17:38:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:38:29,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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 92 [2024-11-08 17:38:29,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:29,693 INFO L225 Difference]: With dead ends: 2142 [2024-11-08 17:38:29,693 INFO L226 Difference]: Without dead ends: 1131 [2024-11-08 17:38:29,695 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 17:38:29,698 INFO L432 NwaCegarLoop]: 1685 mSDtfsCounter, 0 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5045 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 17:38:29,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5045 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:38:29,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2024-11-08 17:38:29,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1131. [2024-11-08 17:38:29,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1130 states have (on average 1.4964601769911505) internal successors, (1691), 1130 states have internal predecessors, (1691), 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 17:38:29,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1691 transitions. [2024-11-08 17:38:29,739 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1691 transitions. Word has length 92 [2024-11-08 17:38:29,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:29,739 INFO L471 AbstractCegarLoop]: Abstraction has 1131 states and 1691 transitions. [2024-11-08 17:38:29,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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 17:38:29,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1691 transitions. [2024-11-08 17:38:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 17:38:29,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:29,747 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, 1, 1, 1, 1] [2024-11-08 17:38:29,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:38:29,748 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:29,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:29,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1209108965, now seen corresponding path program 1 times [2024-11-08 17:38:29,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:29,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854469674] [2024-11-08 17:38:29,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:29,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:30,551 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 17:38:30,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:30,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854469674] [2024-11-08 17:38:30,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854469674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:30,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:30,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:38:30,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151313269] [2024-11-08 17:38:30,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:30,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:38:30,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:30,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:38:30,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:38:30,558 INFO L87 Difference]: Start difference. First operand 1131 states and 1691 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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 17:38:30,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:30,718 INFO L93 Difference]: Finished difference Result 2148 states and 3212 transitions. [2024-11-08 17:38:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:38:30,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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 93 [2024-11-08 17:38:30,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:30,727 INFO L225 Difference]: With dead ends: 2148 [2024-11-08 17:38:30,727 INFO L226 Difference]: Without dead ends: 1135 [2024-11-08 17:38:30,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:38:30,730 INFO L432 NwaCegarLoop]: 1677 mSDtfsCounter, 1608 mSDsluCounter, 5023 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 6700 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:30,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1608 Valid, 6700 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:38:30,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2024-11-08 17:38:30,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1134. [2024-11-08 17:38:30,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 1133 states have (on average 1.4951456310679612) internal successors, (1694), 1133 states have internal predecessors, (1694), 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 17:38:30,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1694 transitions. [2024-11-08 17:38:30,767 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1694 transitions. Word has length 93 [2024-11-08 17:38:30,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:30,769 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1694 transitions. [2024-11-08 17:38:30,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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 17:38:30,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1694 transitions. [2024-11-08 17:38:30,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 17:38:30,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:30,774 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, 1, 1, 1, 1, 1] [2024-11-08 17:38:30,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:38:30,774 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:30,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:30,775 INFO L85 PathProgramCache]: Analyzing trace with hash 392217915, now seen corresponding path program 1 times [2024-11-08 17:38:30,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:30,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819129896] [2024-11-08 17:38:30,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:30,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:32,172 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 17:38:32,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:32,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819129896] [2024-11-08 17:38:32,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819129896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:32,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:32,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:38:32,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656144511] [2024-11-08 17:38:32,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:32,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:38:32,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:32,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:38:32,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:38:32,176 INFO L87 Difference]: Start difference. First operand 1134 states and 1694 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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 17:38:32,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:32,425 INFO L93 Difference]: Finished difference Result 2195 states and 3279 transitions. [2024-11-08 17:38:32,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:38:32,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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 94 [2024-11-08 17:38:32,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:32,431 INFO L225 Difference]: With dead ends: 2195 [2024-11-08 17:38:32,431 INFO L226 Difference]: Without dead ends: 1179 [2024-11-08 17:38:32,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:38:32,434 INFO L432 NwaCegarLoop]: 1667 mSDtfsCounter, 1756 mSDsluCounter, 3333 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 5000 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:32,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 5000 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:38:32,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2024-11-08 17:38:32,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1140. [2024-11-08 17:38:32,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1139 states have (on average 1.4942932396839332) internal successors, (1702), 1139 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 17:38:32,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1702 transitions. [2024-11-08 17:38:32,467 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1702 transitions. Word has length 94 [2024-11-08 17:38:32,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:32,468 INFO L471 AbstractCegarLoop]: Abstraction has 1140 states and 1702 transitions. [2024-11-08 17:38:32,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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 17:38:32,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1702 transitions. [2024-11-08 17:38:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 17:38:32,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:32,470 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, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:32,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:38:32,471 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:32,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:32,472 INFO L85 PathProgramCache]: Analyzing trace with hash -204826085, now seen corresponding path program 1 times [2024-11-08 17:38:32,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:32,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547776667] [2024-11-08 17:38:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:32,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:33,479 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 17:38:33,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:33,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547776667] [2024-11-08 17:38:33,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547776667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:33,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:33,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:38:33,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027055951] [2024-11-08 17:38:33,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:33,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:38:33,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:33,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:38:33,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:38:33,482 INFO L87 Difference]: Start difference. First operand 1140 states and 1702 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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 17:38:33,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:33,664 INFO L93 Difference]: Finished difference Result 2176 states and 3250 transitions. [2024-11-08 17:38:33,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:38:33,666 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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 95 [2024-11-08 17:38:33,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:33,672 INFO L225 Difference]: With dead ends: 2176 [2024-11-08 17:38:33,672 INFO L226 Difference]: Without dead ends: 1160 [2024-11-08 17:38:33,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:38:33,676 INFO L432 NwaCegarLoop]: 1679 mSDtfsCounter, 19 mSDsluCounter, 6724 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 8403 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:33,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 8403 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:38:33,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-08 17:38:33,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1157. [2024-11-08 17:38:33,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.4930795847750864) internal successors, (1726), 1156 states have internal predecessors, (1726), 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 17:38:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1726 transitions. [2024-11-08 17:38:33,710 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1726 transitions. Word has length 95 [2024-11-08 17:38:33,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:33,711 INFO L471 AbstractCegarLoop]: Abstraction has 1157 states and 1726 transitions. [2024-11-08 17:38:33,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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 17:38:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1726 transitions. [2024-11-08 17:38:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 17:38:33,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:33,713 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:33,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:38:33,714 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:33,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:33,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1803121282, now seen corresponding path program 1 times [2024-11-08 17:38:33,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:33,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690918096] [2024-11-08 17:38:33,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:33,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:35,358 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 17:38:35,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:35,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690918096] [2024-11-08 17:38:35,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690918096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:35,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:35,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 17:38:35,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847076896] [2024-11-08 17:38:35,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:35,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:38:35,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:35,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:38:35,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:38:35,362 INFO L87 Difference]: Start difference. First operand 1157 states and 1726 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 17:38:36,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:36,097 INFO L93 Difference]: Finished difference Result 2256 states and 3365 transitions. [2024-11-08 17:38:36,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:38:36,098 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 96 [2024-11-08 17:38:36,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:36,104 INFO L225 Difference]: With dead ends: 2256 [2024-11-08 17:38:36,104 INFO L226 Difference]: Without dead ends: 1223 [2024-11-08 17:38:36,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:38:36,111 INFO L432 NwaCegarLoop]: 1658 mSDtfsCounter, 1815 mSDsluCounter, 11602 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1815 SdHoareTripleChecker+Valid, 13260 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:36,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1815 Valid, 13260 Invalid, 238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:38:36,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-11-08 17:38:36,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1182. [2024-11-08 17:38:36,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1181 states have (on average 1.491955969517358) internal successors, (1762), 1181 states have internal predecessors, (1762), 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 17:38:36,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1762 transitions. [2024-11-08 17:38:36,148 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1762 transitions. Word has length 96 [2024-11-08 17:38:36,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:36,150 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1762 transitions. [2024-11-08 17:38:36,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 17:38:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1762 transitions. [2024-11-08 17:38:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 17:38:36,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:36,159 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:36,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:38:36,160 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:36,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:36,160 INFO L85 PathProgramCache]: Analyzing trace with hash -480921090, now seen corresponding path program 1 times [2024-11-08 17:38:36,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:36,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081716683] [2024-11-08 17:38:36,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:36,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:37,320 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 17:38:37,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:37,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081716683] [2024-11-08 17:38:37,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081716683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:37,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:37,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:38:37,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851903580] [2024-11-08 17:38:37,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:37,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:38:37,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:37,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:38:37,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:38:37,325 INFO L87 Difference]: Start difference. First operand 1182 states and 1762 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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 17:38:37,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:37,629 INFO L93 Difference]: Finished difference Result 2233 states and 3330 transitions. [2024-11-08 17:38:37,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:38:37,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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 96 [2024-11-08 17:38:37,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:37,636 INFO L225 Difference]: With dead ends: 2233 [2024-11-08 17:38:37,636 INFO L226 Difference]: Without dead ends: 1200 [2024-11-08 17:38:37,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:38:37,640 INFO L432 NwaCegarLoop]: 1669 mSDtfsCounter, 1753 mSDsluCounter, 3334 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 5003 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:37,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 5003 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:38:37,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2024-11-08 17:38:37,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1182. [2024-11-08 17:38:37,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1181 states have (on average 1.4911092294665538) internal successors, (1761), 1181 states have internal predecessors, (1761), 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 17:38:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1761 transitions. [2024-11-08 17:38:37,685 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1761 transitions. Word has length 96 [2024-11-08 17:38:37,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:37,686 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1761 transitions. [2024-11-08 17:38:37,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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 17:38:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1761 transitions. [2024-11-08 17:38:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 17:38:37,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:37,688 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:37,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:38:37,689 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:37,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:37,690 INFO L85 PathProgramCache]: Analyzing trace with hash -944278174, now seen corresponding path program 1 times [2024-11-08 17:38:37,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:37,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369196080] [2024-11-08 17:38:37,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:37,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:39,611 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 17:38:39,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:39,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369196080] [2024-11-08 17:38:39,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369196080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:39,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:39,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 17:38:39,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411116433] [2024-11-08 17:38:39,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:39,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 17:38:39,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:39,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 17:38:39,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:38:39,615 INFO L87 Difference]: Start difference. First operand 1182 states and 1761 transitions. Second operand has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 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 17:38:40,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:40,719 INFO L93 Difference]: Finished difference Result 2239 states and 3338 transitions. [2024-11-08 17:38:40,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:38:40,720 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 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 97 [2024-11-08 17:38:40,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:40,725 INFO L225 Difference]: With dead ends: 2239 [2024-11-08 17:38:40,725 INFO L226 Difference]: Without dead ends: 1206 [2024-11-08 17:38:40,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2024-11-08 17:38:40,730 INFO L432 NwaCegarLoop]: 1656 mSDtfsCounter, 1757 mSDsluCounter, 14894 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 16550 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:40,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 16550 Invalid, 322 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:38:40,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2024-11-08 17:38:40,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1185. [2024-11-08 17:38:40,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1184 states have (on average 1.4907094594594594) internal successors, (1765), 1184 states have internal predecessors, (1765), 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 17:38:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1765 transitions. [2024-11-08 17:38:40,768 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1765 transitions. Word has length 97 [2024-11-08 17:38:40,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:40,769 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1765 transitions. [2024-11-08 17:38:40,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 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 17:38:40,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1765 transitions. [2024-11-08 17:38:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 17:38:40,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:40,771 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:40,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:38:40,771 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:40,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:40,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1713469787, now seen corresponding path program 1 times [2024-11-08 17:38:40,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:40,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509291811] [2024-11-08 17:38:40,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:40,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:41,794 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 17:38:41,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:41,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509291811] [2024-11-08 17:38:41,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509291811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:41,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:41,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:38:41,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723222286] [2024-11-08 17:38:41,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:41,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:38:41,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:41,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:38:41,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:38:41,798 INFO L87 Difference]: Start difference. First operand 1185 states and 1765 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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 17:38:42,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:42,157 INFO L93 Difference]: Finished difference Result 2240 states and 3339 transitions. [2024-11-08 17:38:42,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:38:42,159 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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 98 [2024-11-08 17:38:42,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:42,165 INFO L225 Difference]: With dead ends: 2240 [2024-11-08 17:38:42,165 INFO L226 Difference]: Without dead ends: 1207 [2024-11-08 17:38:42,167 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 17:38:42,169 INFO L432 NwaCegarLoop]: 1664 mSDtfsCounter, 1746 mSDsluCounter, 3428 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 5092 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:42,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 5092 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:38:42,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2024-11-08 17:38:42,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1195. [2024-11-08 17:38:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 1194 states have (on average 1.4899497487437185) internal successors, (1779), 1194 states have internal predecessors, (1779), 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 17:38:42,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1779 transitions. [2024-11-08 17:38:42,209 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1779 transitions. Word has length 98 [2024-11-08 17:38:42,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:42,209 INFO L471 AbstractCegarLoop]: Abstraction has 1195 states and 1779 transitions. [2024-11-08 17:38:42,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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 17:38:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1779 transitions. [2024-11-08 17:38:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 17:38:42,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:42,212 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:42,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:38:42,212 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:42,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:42,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1671606081, now seen corresponding path program 1 times [2024-11-08 17:38:42,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:42,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843326108] [2024-11-08 17:38:42,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:42,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:42,868 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 17:38:42,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:42,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843326108] [2024-11-08 17:38:42,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843326108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:42,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:42,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:38:42,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719335048] [2024-11-08 17:38:42,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:42,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:38:42,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:42,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:38:42,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:38:42,872 INFO L87 Difference]: Start difference. First operand 1195 states and 1779 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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 17:38:43,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:43,129 INFO L93 Difference]: Finished difference Result 2243 states and 3342 transitions. [2024-11-08 17:38:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:38:43,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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 98 [2024-11-08 17:38:43,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:43,135 INFO L225 Difference]: With dead ends: 2243 [2024-11-08 17:38:43,135 INFO L226 Difference]: Without dead ends: 1204 [2024-11-08 17:38:43,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:38:43,138 INFO L432 NwaCegarLoop]: 1667 mSDtfsCounter, 1735 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 4999 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:43,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1735 Valid, 4999 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:38:43,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-08 17:38:43,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1194. [2024-11-08 17:38:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1193 states have (on average 1.4886839899413244) internal successors, (1776), 1193 states have internal predecessors, (1776), 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 17:38:43,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1776 transitions. [2024-11-08 17:38:43,173 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1776 transitions. Word has length 98 [2024-11-08 17:38:43,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:43,174 INFO L471 AbstractCegarLoop]: Abstraction has 1194 states and 1776 transitions. [2024-11-08 17:38:43,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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 17:38:43,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1776 transitions. [2024-11-08 17:38:43,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 17:38:43,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:43,176 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:43,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:38:43,176 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:43,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:43,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1570641350, now seen corresponding path program 1 times [2024-11-08 17:38:43,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:43,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809446708] [2024-11-08 17:38:43,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:43,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:43,976 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 17:38:43,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:43,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809446708] [2024-11-08 17:38:43,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809446708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:43,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:43,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:38:43,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456958292] [2024-11-08 17:38:43,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:43,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:38:43,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:43,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:38:43,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:38:43,980 INFO L87 Difference]: Start difference. First operand 1194 states and 1776 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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 17:38:44,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:44,373 INFO L93 Difference]: Finished difference Result 2245 states and 3341 transitions. [2024-11-08 17:38:44,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:38:44,374 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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 98 [2024-11-08 17:38:44,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:44,379 INFO L225 Difference]: With dead ends: 2245 [2024-11-08 17:38:44,380 INFO L226 Difference]: Without dead ends: 1193 [2024-11-08 17:38:44,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:38:44,382 INFO L432 NwaCegarLoop]: 1668 mSDtfsCounter, 1740 mSDsluCounter, 6659 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 8327 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:44,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 8327 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:38:44,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-08 17:38:44,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1183. [2024-11-08 17:38:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.488155668358714) internal successors, (1759), 1182 states have internal predecessors, (1759), 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 17:38:44,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1759 transitions. [2024-11-08 17:38:44,414 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1759 transitions. Word has length 98 [2024-11-08 17:38:44,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:44,415 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1759 transitions. [2024-11-08 17:38:44,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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 17:38:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1759 transitions. [2024-11-08 17:38:44,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 17:38:44,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:44,417 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:44,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:38:44,418 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:44,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:44,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1072273449, now seen corresponding path program 1 times [2024-11-08 17:38:44,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:44,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485714092] [2024-11-08 17:38:44,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:44,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:45,271 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 17:38:45,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:45,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485714092] [2024-11-08 17:38:45,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485714092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:45,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:45,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:38:45,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868964018] [2024-11-08 17:38:45,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:45,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:38:45,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:45,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:38:45,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:38:45,275 INFO L87 Difference]: Start difference. First operand 1183 states and 1759 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 17:38:45,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:45,695 INFO L93 Difference]: Finished difference Result 2230 states and 3321 transitions. [2024-11-08 17:38:45,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:38:45,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 99 [2024-11-08 17:38:45,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:45,701 INFO L225 Difference]: With dead ends: 2230 [2024-11-08 17:38:45,702 INFO L226 Difference]: Without dead ends: 1197 [2024-11-08 17:38:45,703 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 17:38:45,704 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 1720 mSDsluCounter, 6647 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1720 SdHoareTripleChecker+Valid, 8310 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:45,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1720 Valid, 8310 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:38:45,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2024-11-08 17:38:45,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1189. [2024-11-08 17:38:45,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1188 states have (on average 1.4873737373737375) internal successors, (1767), 1188 states have internal predecessors, (1767), 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 17:38:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1767 transitions. [2024-11-08 17:38:45,738 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1767 transitions. Word has length 99 [2024-11-08 17:38:45,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:45,739 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1767 transitions. [2024-11-08 17:38:45,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 17:38:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1767 transitions. [2024-11-08 17:38:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 17:38:45,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:45,741 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:45,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:38:45,742 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:45,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:45,742 INFO L85 PathProgramCache]: Analyzing trace with hash -23644219, now seen corresponding path program 1 times [2024-11-08 17:38:45,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:45,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587450491] [2024-11-08 17:38:45,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:45,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:46,385 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 17:38:46,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:46,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587450491] [2024-11-08 17:38:46,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587450491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:46,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:46,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:38:46,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640402368] [2024-11-08 17:38:46,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:46,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:38:46,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:46,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:38:46,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:38:46,389 INFO L87 Difference]: Start difference. First operand 1189 states and 1767 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 17:38:46,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:46,639 INFO L93 Difference]: Finished difference Result 2231 states and 3321 transitions. [2024-11-08 17:38:46,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:38:46,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 99 [2024-11-08 17:38:46,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:46,645 INFO L225 Difference]: With dead ends: 2231 [2024-11-08 17:38:46,645 INFO L226 Difference]: Without dead ends: 1192 [2024-11-08 17:38:46,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:38:46,648 INFO L432 NwaCegarLoop]: 1668 mSDtfsCounter, 1708 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 5000 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:46,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1708 Valid, 5000 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:38:46,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2024-11-08 17:38:46,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1186. [2024-11-08 17:38:46,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 1185 states have (on average 1.4869198312236287) internal successors, (1762), 1185 states have internal predecessors, (1762), 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 17:38:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1762 transitions. [2024-11-08 17:38:46,678 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1762 transitions. Word has length 99 [2024-11-08 17:38:46,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:46,679 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1762 transitions. [2024-11-08 17:38:46,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 17:38:46,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1762 transitions. [2024-11-08 17:38:46,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 17:38:46,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:46,681 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:46,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 17:38:46,681 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:46,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:46,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1800019788, now seen corresponding path program 1 times [2024-11-08 17:38:46,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:46,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226037293] [2024-11-08 17:38:46,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:46,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:47,713 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 17:38:47,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:47,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226037293] [2024-11-08 17:38:47,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226037293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:47,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:47,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:38:47,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909531369] [2024-11-08 17:38:47,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:47,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:38:47,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:47,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:38:47,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:38:47,716 INFO L87 Difference]: Start difference. First operand 1186 states and 1762 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 17:38:48,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:48,032 INFO L93 Difference]: Finished difference Result 2229 states and 3318 transitions. [2024-11-08 17:38:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:38:48,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 100 [2024-11-08 17:38:48,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:48,037 INFO L225 Difference]: With dead ends: 2229 [2024-11-08 17:38:48,037 INFO L226 Difference]: Without dead ends: 1196 [2024-11-08 17:38:48,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:38:48,040 INFO L432 NwaCegarLoop]: 1664 mSDtfsCounter, 1707 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 5066 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:48,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 5066 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:38:48,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2024-11-08 17:38:48,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 1192. [2024-11-08 17:38:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1192 states, 1191 states have (on average 1.486146095717884) internal successors, (1770), 1191 states have internal predecessors, (1770), 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 17:38:48,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1770 transitions. [2024-11-08 17:38:48,072 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1770 transitions. Word has length 100 [2024-11-08 17:38:48,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:48,073 INFO L471 AbstractCegarLoop]: Abstraction has 1192 states and 1770 transitions. [2024-11-08 17:38:48,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 17:38:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1770 transitions. [2024-11-08 17:38:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 17:38:48,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:48,075 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:48,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 17:38:48,075 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:48,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:48,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1144361488, now seen corresponding path program 1 times [2024-11-08 17:38:48,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:48,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623130553] [2024-11-08 17:38:48,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:48,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:49,709 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 17:38:49,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:49,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623130553] [2024-11-08 17:38:49,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623130553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:49,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:49,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-08 17:38:49,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990726135] [2024-11-08 17:38:49,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:49,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 17:38:49,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:49,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 17:38:49,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-08 17:38:49,714 INFO L87 Difference]: Start difference. First operand 1192 states and 1770 transitions. Second operand has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 19 states have internal predecessors, (100), 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 17:38:50,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:50,975 INFO L93 Difference]: Finished difference Result 2258 states and 3361 transitions. [2024-11-08 17:38:50,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 17:38:50,977 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 19 states have internal predecessors, (100), 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 100 [2024-11-08 17:38:50,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:50,983 INFO L225 Difference]: With dead ends: 2258 [2024-11-08 17:38:50,984 INFO L226 Difference]: Without dead ends: 1225 [2024-11-08 17:38:50,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2024-11-08 17:38:50,989 INFO L432 NwaCegarLoop]: 1666 mSDtfsCounter, 1661 mSDsluCounter, 26597 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 28263 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:50,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1661 Valid, 28263 Invalid, 741 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 17:38:50,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2024-11-08 17:38:51,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1215. [2024-11-08 17:38:51,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1214 states have (on average 1.4884678747940692) internal successors, (1807), 1214 states have internal predecessors, (1807), 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 17:38:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1807 transitions. [2024-11-08 17:38:51,041 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1807 transitions. Word has length 100 [2024-11-08 17:38:51,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:51,041 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1807 transitions. [2024-11-08 17:38:51,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 19 states have internal predecessors, (100), 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 17:38:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1807 transitions. [2024-11-08 17:38:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 17:38:51,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:51,044 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:51,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 17:38:51,045 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:51,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:51,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1758655976, now seen corresponding path program 1 times [2024-11-08 17:38:51,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:51,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499641040] [2024-11-08 17:38:51,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:51,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:51,876 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 17:38:51,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:51,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499641040] [2024-11-08 17:38:51,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499641040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:51,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:51,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:38:51,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163687588] [2024-11-08 17:38:51,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:51,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:38:51,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:51,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:38:51,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:38:51,884 INFO L87 Difference]: Start difference. First operand 1215 states and 1807 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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 17:38:52,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:52,115 INFO L93 Difference]: Finished difference Result 2270 states and 3384 transitions. [2024-11-08 17:38:52,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:38:52,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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 100 [2024-11-08 17:38:52,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:52,121 INFO L225 Difference]: With dead ends: 2270 [2024-11-08 17:38:52,121 INFO L226 Difference]: Without dead ends: 1211 [2024-11-08 17:38:52,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:38:52,123 INFO L432 NwaCegarLoop]: 1668 mSDtfsCounter, 1699 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 5000 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:52,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1699 Valid, 5000 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:38:52,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2024-11-08 17:38:52,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1209. [2024-11-08 17:38:52,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1208 states have (on average 1.4884105960264902) internal successors, (1798), 1208 states have internal predecessors, (1798), 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 17:38:52,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1798 transitions. [2024-11-08 17:38:52,156 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1798 transitions. Word has length 100 [2024-11-08 17:38:52,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:52,157 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1798 transitions. [2024-11-08 17:38:52,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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 17:38:52,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1798 transitions. [2024-11-08 17:38:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 17:38:52,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:52,159 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:52,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 17:38:52,159 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:52,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:52,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1614953872, now seen corresponding path program 1 times [2024-11-08 17:38:52,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:52,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597022079] [2024-11-08 17:38:52,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:52,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:53,438 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 17:38:53,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:53,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597022079] [2024-11-08 17:38:53,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597022079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:53,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:53,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:38:53,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727042088] [2024-11-08 17:38:53,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:53,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:38:53,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:53,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:38:53,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:38:53,442 INFO L87 Difference]: Start difference. First operand 1209 states and 1798 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 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 17:38:53,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:53,956 INFO L93 Difference]: Finished difference Result 3158 states and 4703 transitions. [2024-11-08 17:38:53,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:38:53,957 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 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 101 [2024-11-08 17:38:53,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:53,964 INFO L225 Difference]: With dead ends: 3158 [2024-11-08 17:38:53,965 INFO L226 Difference]: Without dead ends: 2078 [2024-11-08 17:38:53,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:38:53,968 INFO L432 NwaCegarLoop]: 1659 mSDtfsCounter, 2956 mSDsluCounter, 6630 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 8289 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:53,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2956 Valid, 8289 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:38:53,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2024-11-08 17:38:53,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1212. [2024-11-08 17:38:54,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 1211 states have (on average 1.486374896779521) internal successors, (1800), 1211 states have internal predecessors, (1800), 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 17:38:54,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1800 transitions. [2024-11-08 17:38:54,006 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1800 transitions. Word has length 101 [2024-11-08 17:38:54,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:54,007 INFO L471 AbstractCegarLoop]: Abstraction has 1212 states and 1800 transitions. [2024-11-08 17:38:54,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 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 17:38:54,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1800 transitions. [2024-11-08 17:38:54,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 17:38:54,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:54,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:54,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 17:38:54,009 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:54,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:54,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1324269282, now seen corresponding path program 1 times [2024-11-08 17:38:54,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:54,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960588942] [2024-11-08 17:38:54,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:54,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,883 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 17:38:54,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:54,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960588942] [2024-11-08 17:38:54,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960588942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:54,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:54,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:38:54,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393095023] [2024-11-08 17:38:54,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:54,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:38:54,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:54,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:38:54,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:38:54,887 INFO L87 Difference]: Start difference. First operand 1212 states and 1800 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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 17:38:55,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:55,365 INFO L93 Difference]: Finished difference Result 3154 states and 4694 transitions. [2024-11-08 17:38:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:38:55,366 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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 102 [2024-11-08 17:38:55,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:55,374 INFO L225 Difference]: With dead ends: 3154 [2024-11-08 17:38:55,374 INFO L226 Difference]: Without dead ends: 2082 [2024-11-08 17:38:55,376 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 17:38:55,377 INFO L432 NwaCegarLoop]: 1660 mSDtfsCounter, 4286 mSDsluCounter, 5922 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 7582 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:55,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4286 Valid, 7582 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:38:55,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2024-11-08 17:38:55,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 1214. [2024-11-08 17:38:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 1213 states have (on average 1.4855729596042868) internal successors, (1802), 1213 states have internal predecessors, (1802), 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 17:38:55,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1802 transitions. [2024-11-08 17:38:55,416 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1802 transitions. Word has length 102 [2024-11-08 17:38:55,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:55,416 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1802 transitions. [2024-11-08 17:38:55,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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 17:38:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1802 transitions. [2024-11-08 17:38:55,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 17:38:55,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:55,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:55,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 17:38:55,419 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:55,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:55,420 INFO L85 PathProgramCache]: Analyzing trace with hash -694033257, now seen corresponding path program 1 times [2024-11-08 17:38:55,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:55,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325064143] [2024-11-08 17:38:55,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:55,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:38:55,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:38:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:38:55,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:38:55,783 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:38:55,785 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:38:55,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 17:38:55,791 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:55,903 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 17:38:55,931 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:38:55,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:38:55 BoogieIcfgContainer [2024-11-08 17:38:55,935 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:38:55,936 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:38:55,936 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:38:55,936 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:38:55,937 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:38:26" (3/4) ... [2024-11-08 17:38:55,940 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:38:55,941 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:38:55,942 INFO L158 Benchmark]: Toolchain (without parser) took 39190.06ms. Allocated memory was 148.9MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 108.1MB in the beginning and 832.7MB in the end (delta: -724.6MB). Peak memory consumption was 644.8MB. Max. memory is 16.1GB. [2024-11-08 17:38:55,943 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 148.9MB. Free memory was 95.6MB in the beginning and 95.5MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:38:55,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1408.65ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 107.8MB in the beginning and 109.2MB in the end (delta: -1.4MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2024-11-08 17:38:55,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 652.78ms. Allocated memory was 201.3MB in the beginning and 316.7MB in the end (delta: 115.3MB). Free memory was 109.2MB in the beginning and 193.2MB in the end (delta: -84.1MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2024-11-08 17:38:55,944 INFO L158 Benchmark]: Boogie Preprocessor took 664.50ms. Allocated memory is still 316.7MB. Free memory was 193.2MB in the beginning and 172.3MB in the end (delta: 21.0MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-11-08 17:38:55,945 INFO L158 Benchmark]: RCFGBuilder took 7446.93ms. Allocated memory was 316.7MB in the beginning and 838.9MB in the end (delta: 522.2MB). Free memory was 172.3MB in the beginning and 589.1MB in the end (delta: -416.8MB). Peak memory consumption was 269.5MB. Max. memory is 16.1GB. [2024-11-08 17:38:55,945 INFO L158 Benchmark]: TraceAbstraction took 29001.63ms. Allocated memory was 838.9MB in the beginning and 1.5GB in the end (delta: 677.4MB). Free memory was 588.0MB in the beginning and 833.8MB in the end (delta: -245.7MB). Peak memory consumption was 430.6MB. Max. memory is 16.1GB. [2024-11-08 17:38:55,946 INFO L158 Benchmark]: Witness Printer took 6.20ms. Allocated memory is still 1.5GB. Free memory was 833.8MB in the beginning and 832.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:38:55,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 148.9MB. Free memory was 95.6MB in the beginning and 95.5MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1408.65ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 107.8MB in the beginning and 109.2MB in the end (delta: -1.4MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 652.78ms. Allocated memory was 201.3MB in the beginning and 316.7MB in the end (delta: 115.3MB). Free memory was 109.2MB in the beginning and 193.2MB in the end (delta: -84.1MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 664.50ms. Allocated memory is still 316.7MB. Free memory was 193.2MB in the beginning and 172.3MB in the end (delta: 21.0MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * RCFGBuilder took 7446.93ms. Allocated memory was 316.7MB in the beginning and 838.9MB in the end (delta: 522.2MB). Free memory was 172.3MB in the beginning and 589.1MB in the end (delta: -416.8MB). Peak memory consumption was 269.5MB. Max. memory is 16.1GB. * TraceAbstraction took 29001.63ms. Allocated memory was 838.9MB in the beginning and 1.5GB in the end (delta: 677.4MB). Free memory was 588.0MB in the beginning and 833.8MB in the end (delta: -245.7MB). Peak memory consumption was 430.6MB. Max. memory is 16.1GB. * Witness Printer took 6.20ms. Allocated memory is still 1.5GB. Free memory was 833.8MB in the beginning and 832.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 bitwiseAnd at line 409. 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_26 = 2; [L46] const SORT_21 var_29 = 4; [L47] const SORT_21 var_33 = 8; [L48] const SORT_21 var_37 = 0; [L49] const SORT_21 var_46 = 16; [L50] const SORT_21 var_49 = 32; [L51] const SORT_21 var_52 = 64; [L52] const SORT_3 var_57 = 1; [L53] const SORT_3 var_61 = 0; [L54] const SORT_6 var_146 = 0; [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_368; [L72] SORT_3 input_390; [L73] SORT_3 input_405; [L74] SORT_3 input_420; [L75] SORT_3 input_435; [L76] SORT_3 input_450; [L77] SORT_3 input_465; [L78] SORT_3 input_480; [L79] SORT_3 input_495; [L80] SORT_3 input_510; [L81] SORT_3 input_525; [L82] SORT_3 input_540; [L83] SORT_3 input_555; [L84] SORT_3 input_570; [L85] SORT_3 input_585; [L86] SORT_3 input_600; [L87] SORT_3 input_616; [L88] SORT_3 input_618; [L89] SORT_3 input_620; [L90] SORT_3 input_622; [L91] SORT_3 input_624; [L92] SORT_3 input_626; [L93] SORT_3 input_628; [L94] SORT_3 input_630; [L95] SORT_3 input_635; [L96] SORT_21 input_676; [L97] SORT_21 input_677; [L98] SORT_21 input_678; [L99] SORT_21 input_679; [L100] SORT_21 input_682; [L101] SORT_21 input_686; [L102] SORT_21 input_690; [L103] SORT_21 input_698; [L104] SORT_21 input_702; [L105] SORT_21 input_704; [L106] SORT_21 input_708; [L107] SORT_21 input_711; [L108] SORT_21 input_715; [L109] SORT_21 input_720; [L110] SORT_21 input_724; [L111] SORT_21 input_729; [L112] SORT_21 input_731; [L113] SORT_21 input_732; [L114] SORT_21 input_734; [L115] SORT_21 input_738; [L116] SORT_21 input_743; [L117] SORT_21 input_750; [L118] SORT_21 input_751; [L119] SORT_21 input_753; [L120] SORT_21 input_757; [L121] SORT_21 input_762; [L122] SORT_21 input_764; [L123] SORT_21 input_765; [L124] SORT_21 input_767; [L125] SORT_21 input_771; [L126] SORT_21 input_776; [L127] SORT_21 input_780; [L128] SORT_21 input_785; [L129] SORT_21 input_787; [L130] SORT_21 input_793; [L131] SORT_21 input_805; [L132] SORT_3 input_810; [L133] SORT_3 input_819; [L134] SORT_3 input_838; [L135] SORT_3 input_845; [L136] SORT_3 input_856; [L137] SORT_3 input_862; [L138] SORT_3 input_868; [L139] SORT_3 input_874; [L140] SORT_3 input_880; [L141] SORT_3 input_886; [L142] SORT_3 input_892; [L143] SORT_3 input_898; [L144] SORT_3 input_904; [L145] SORT_3 input_910; [L146] SORT_3 input_916; [L147] SORT_3 input_922; [L148] SORT_3 input_928; [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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L151] SORT_21 state_31 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L152] SORT_3 state_62 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L153] SORT_3 state_64 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L154] SORT_3 state_66 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L155] SORT_3 state_70 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L156] SORT_3 state_74 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L157] SORT_3 state_78 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L158] SORT_3 state_94 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L159] SORT_3 state_111 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L160] SORT_3 state_114 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L161] SORT_3 state_116 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L162] SORT_3 state_120 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L163] SORT_3 state_124 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L164] SORT_3 state_129 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L165] SORT_3 state_132 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L166] SORT_3 state_142 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L167] SORT_3 state_149 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L168] SORT_3 state_152 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L169] SORT_3 state_161 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L170] SORT_3 state_166 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L171] SORT_3 state_169 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L172] SORT_3 state_181 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L173] SORT_3 state_191 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L174] SORT_3 state_196 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L175] SORT_3 state_199 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L176] SORT_3 state_208 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L177] SORT_3 state_221 = __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_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L178] SORT_3 state_234 = __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_32_arg_1 = var_22; [L183] state_31 = init_32_arg_1 [L184] SORT_3 init_63_arg_1 = var_61; [L185] state_62 = init_63_arg_1 [L186] SORT_3 init_65_arg_1 = var_61; [L187] state_64 = init_65_arg_1 [L188] SORT_3 init_67_arg_1 = var_61; [L189] state_66 = init_67_arg_1 [L190] SORT_3 init_71_arg_1 = var_61; [L191] state_70 = init_71_arg_1 [L192] SORT_3 init_75_arg_1 = var_61; [L193] state_74 = init_75_arg_1 [L194] SORT_3 init_79_arg_1 = var_61; [L195] state_78 = init_79_arg_1 [L196] SORT_3 init_95_arg_1 = var_61; [L197] state_94 = init_95_arg_1 [L198] SORT_3 init_112_arg_1 = var_61; [L199] state_111 = init_112_arg_1 [L200] SORT_3 init_115_arg_1 = var_61; [L201] state_114 = init_115_arg_1 [L202] SORT_3 init_117_arg_1 = var_61; [L203] state_116 = init_117_arg_1 [L204] SORT_3 init_121_arg_1 = var_61; [L205] state_120 = init_121_arg_1 [L206] SORT_3 init_125_arg_1 = var_61; [L207] state_124 = init_125_arg_1 [L208] SORT_3 init_130_arg_1 = var_61; [L209] state_129 = init_130_arg_1 [L210] SORT_3 init_133_arg_1 = var_61; [L211] state_132 = init_133_arg_1 [L212] SORT_3 init_143_arg_1 = var_61; [L213] state_142 = init_143_arg_1 [L214] SORT_3 init_150_arg_1 = var_61; [L215] state_149 = init_150_arg_1 [L216] SORT_3 init_153_arg_1 = var_61; [L217] state_152 = init_153_arg_1 [L218] SORT_3 init_162_arg_1 = var_61; [L219] state_161 = init_162_arg_1 [L220] SORT_3 init_167_arg_1 = var_61; [L221] state_166 = init_167_arg_1 [L222] SORT_3 init_170_arg_1 = var_61; [L223] state_169 = init_170_arg_1 [L224] SORT_3 init_182_arg_1 = var_61; [L225] state_181 = init_182_arg_1 [L226] SORT_3 init_192_arg_1 = var_61; [L227] state_191 = init_192_arg_1 [L228] SORT_3 init_197_arg_1 = var_61; [L229] state_196 = init_197_arg_1 [L230] SORT_3 init_200_arg_1 = var_61; [L231] state_199 = init_200_arg_1 [L232] SORT_3 init_209_arg_1 = var_61; [L233] state_208 = init_209_arg_1 [L234] SORT_3 init_222_arg_1 = var_61; [L235] state_221 = init_222_arg_1 [L236] SORT_3 init_235_arg_1 = var_61; [L237] state_234 = init_235_arg_1 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [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_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [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_368 = __VERIFIER_nondet_uchar() [L257] input_390 = __VERIFIER_nondet_uchar() [L258] input_405 = __VERIFIER_nondet_uchar() [L259] input_420 = __VERIFIER_nondet_uchar() [L260] input_435 = __VERIFIER_nondet_uchar() [L261] input_450 = __VERIFIER_nondet_uchar() [L262] input_465 = __VERIFIER_nondet_uchar() [L263] input_480 = __VERIFIER_nondet_uchar() [L264] input_495 = __VERIFIER_nondet_uchar() [L265] input_510 = __VERIFIER_nondet_uchar() [L266] input_525 = __VERIFIER_nondet_uchar() [L267] input_540 = __VERIFIER_nondet_uchar() [L268] input_555 = __VERIFIER_nondet_uchar() [L269] input_570 = __VERIFIER_nondet_uchar() [L270] input_585 = __VERIFIER_nondet_uchar() [L271] input_600 = __VERIFIER_nondet_uchar() [L272] input_616 = __VERIFIER_nondet_uchar() [L273] input_618 = __VERIFIER_nondet_uchar() [L274] input_620 = __VERIFIER_nondet_uchar() [L275] input_622 = __VERIFIER_nondet_uchar() [L276] input_624 = __VERIFIER_nondet_uchar() [L277] input_626 = __VERIFIER_nondet_uchar() [L278] input_628 = __VERIFIER_nondet_uchar() [L279] input_630 = __VERIFIER_nondet_uchar() [L280] input_635 = __VERIFIER_nondet_uchar() [L281] input_676 = __VERIFIER_nondet_uchar() [L282] input_677 = __VERIFIER_nondet_uchar() [L283] input_678 = __VERIFIER_nondet_uchar() [L284] input_679 = __VERIFIER_nondet_uchar() [L285] input_682 = __VERIFIER_nondet_uchar() [L286] input_686 = __VERIFIER_nondet_uchar() [L287] input_690 = __VERIFIER_nondet_uchar() [L288] input_698 = __VERIFIER_nondet_uchar() [L289] input_702 = __VERIFIER_nondet_uchar() [L290] input_704 = __VERIFIER_nondet_uchar() [L291] input_708 = __VERIFIER_nondet_uchar() [L292] input_711 = __VERIFIER_nondet_uchar() [L293] input_715 = __VERIFIER_nondet_uchar() [L294] input_720 = __VERIFIER_nondet_uchar() [L295] input_724 = __VERIFIER_nondet_uchar() [L296] input_729 = __VERIFIER_nondet_uchar() [L297] input_731 = __VERIFIER_nondet_uchar() [L298] input_732 = __VERIFIER_nondet_uchar() [L299] input_734 = __VERIFIER_nondet_uchar() [L300] input_738 = __VERIFIER_nondet_uchar() [L301] input_743 = __VERIFIER_nondet_uchar() [L302] input_750 = __VERIFIER_nondet_uchar() [L303] input_751 = __VERIFIER_nondet_uchar() [L304] input_753 = __VERIFIER_nondet_uchar() [L305] input_757 = __VERIFIER_nondet_uchar() [L306] input_762 = __VERIFIER_nondet_uchar() [L307] input_764 = __VERIFIER_nondet_uchar() [L308] input_765 = __VERIFIER_nondet_uchar() [L309] input_767 = __VERIFIER_nondet_uchar() [L310] input_771 = __VERIFIER_nondet_uchar() [L311] input_776 = __VERIFIER_nondet_uchar() [L312] input_780 = __VERIFIER_nondet_uchar() [L313] input_785 = __VERIFIER_nondet_uchar() [L314] input_787 = __VERIFIER_nondet_uchar() [L315] input_793 = __VERIFIER_nondet_uchar() [L316] input_805 = __VERIFIER_nondet_uchar() [L317] input_810 = __VERIFIER_nondet_uchar() [L318] input_819 = __VERIFIER_nondet_uchar() [L319] input_838 = __VERIFIER_nondet_uchar() [L320] input_845 = __VERIFIER_nondet_uchar() [L321] input_856 = __VERIFIER_nondet_uchar() [L322] input_862 = __VERIFIER_nondet_uchar() [L323] input_868 = __VERIFIER_nondet_uchar() [L324] input_874 = __VERIFIER_nondet_uchar() [L325] input_880 = __VERIFIER_nondet_uchar() [L326] input_886 = __VERIFIER_nondet_uchar() [L327] input_892 = __VERIFIER_nondet_uchar() [L328] input_898 = __VERIFIER_nondet_uchar() [L329] input_904 = __VERIFIER_nondet_uchar() [L330] input_910 = __VERIFIER_nondet_uchar() [L331] input_916 = __VERIFIER_nondet_uchar() [L332] input_922 = __VERIFIER_nondet_uchar() [L333] input_928 = __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_27_arg_0 = state_23; [L340] SORT_21 var_27_arg_1 = var_26; [L341] SORT_3 var_27 = var_27_arg_0 == var_27_arg_1; [L342] SORT_3 var_28_arg_0 = var_25; [L343] SORT_3 var_28_arg_1 = var_27; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28_arg_0=1, var_28_arg_1=0, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L344] EXPR var_28_arg_0 | var_28_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L344] SORT_3 var_28 = var_28_arg_0 | var_28_arg_1; [L345] SORT_21 var_30_arg_0 = state_23; [L346] SORT_21 var_30_arg_1 = var_29; [L347] SORT_3 var_30 = var_30_arg_0 == var_30_arg_1; [L348] SORT_21 var_34_arg_0 = state_31; [L349] SORT_21 var_34_arg_1 = var_33; [L350] SORT_3 var_34 = var_34_arg_0 == var_34_arg_1; [L351] SORT_21 var_35_arg_0 = state_31; [L352] SORT_21 var_35_arg_1 = var_22; [L353] SORT_3 var_35 = var_35_arg_0 == var_35_arg_1; [L354] SORT_3 var_36_arg_0 = var_34; [L355] SORT_3 var_36_arg_1 = var_35; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_30=0, var_33=8, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L356] EXPR var_36_arg_0 | var_36_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_30=0, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L356] SORT_3 var_36 = var_36_arg_0 | var_36_arg_1; [L357] SORT_21 var_38_arg_0 = state_31; [L358] SORT_21 var_38_arg_1 = var_37; [L359] SORT_3 var_38 = var_38_arg_0 == var_38_arg_1; [L360] SORT_3 var_39_arg_0 = var_36; [L361] SORT_3 var_39_arg_1 = var_38; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_30=0, var_33=8, var_37=0, var_39_arg_0=1, var_39_arg_1=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L362] EXPR var_39_arg_0 | var_39_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_30=0, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L362] SORT_3 var_39 = var_39_arg_0 | var_39_arg_1; [L363] SORT_21 var_40_arg_0 = state_31; [L364] SORT_21 var_40_arg_1 = var_29; [L365] SORT_3 var_40 = var_40_arg_0 == var_40_arg_1; [L366] SORT_3 var_41_arg_0 = var_39; [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_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_30=0, var_33=8, var_37=0, var_41_arg_0=1, var_41_arg_1=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [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_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_30=0, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L368] SORT_3 var_41 = var_41_arg_0 | var_41_arg_1; [L369] SORT_3 var_42_arg_0 = var_30; [L370] SORT_3 var_42_arg_1 = var_41; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_33=8, var_37=0, var_42_arg_0=0, var_42_arg_1=1, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L371] EXPR var_42_arg_0 & var_42_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L371] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L372] SORT_3 var_43_arg_0 = var_28; [L373] SORT_3 var_43_arg_1 = var_42; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_43_arg_0=1, var_43_arg_1=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L374] EXPR var_43_arg_0 | var_43_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L374] SORT_3 var_43 = var_43_arg_0 | var_43_arg_1; [L375] SORT_21 var_44_arg_0 = state_23; [L376] SORT_21 var_44_arg_1 = var_33; [L377] SORT_3 var_44 = var_44_arg_0 == var_44_arg_1; [L378] SORT_3 var_45_arg_0 = var_43; [L379] SORT_3 var_45_arg_1 = var_44; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_45_arg_0=1, var_45_arg_1=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L380] EXPR var_45_arg_0 | var_45_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L380] SORT_3 var_45 = var_45_arg_0 | var_45_arg_1; [L381] SORT_21 var_47_arg_0 = state_23; [L382] SORT_21 var_47_arg_1 = var_46; [L383] SORT_3 var_47 = var_47_arg_0 == var_47_arg_1; [L384] SORT_3 var_48_arg_0 = var_45; [L385] SORT_3 var_48_arg_1 = var_47; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_48_arg_0=1, var_48_arg_1=0, var_49=32, var_52=64, var_57=1, var_61=0] [L386] EXPR var_48_arg_0 | var_48_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L386] SORT_3 var_48 = var_48_arg_0 | var_48_arg_1; [L387] SORT_21 var_50_arg_0 = state_23; [L388] SORT_21 var_50_arg_1 = var_49; [L389] SORT_3 var_50 = var_50_arg_0 == var_50_arg_1; [L390] SORT_3 var_51_arg_0 = var_48; [L391] SORT_3 var_51_arg_1 = var_50; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_51_arg_0=1, var_51_arg_1=0, var_52=64, var_57=1, var_61=0] [L392] EXPR var_51_arg_0 | var_51_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L392] SORT_3 var_51 = var_51_arg_0 | var_51_arg_1; [L393] SORT_21 var_53_arg_0 = state_23; [L394] SORT_21 var_53_arg_1 = var_52; [L395] SORT_3 var_53 = var_53_arg_0 == var_53_arg_1; [L396] SORT_3 var_54_arg_0 = var_51; [L397] SORT_3 var_54_arg_1 = var_53; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_54_arg_0=1, var_54_arg_1=0, var_57=1, var_61=0] [L398] EXPR var_54_arg_0 | var_54_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L398] SORT_3 var_54 = var_54_arg_0 | var_54_arg_1; [L399] SORT_21 var_55_arg_0 = state_23; [L400] SORT_21 var_55_arg_1 = var_37; [L401] SORT_3 var_55 = var_55_arg_0 == var_55_arg_1; [L402] SORT_3 var_56_arg_0 = var_54; [L403] SORT_3 var_56_arg_1 = var_55; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_56_arg_0=1, var_56_arg_1=0, var_57=1, var_61=0] [L404] EXPR var_56_arg_0 | var_56_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L404] SORT_3 var_56 = var_56_arg_0 | var_56_arg_1; [L405] SORT_3 var_58_arg_0 = var_56; [L406] SORT_3 var_58 = ~var_58_arg_0; [L407] SORT_3 var_59_arg_0 = var_57; [L408] SORT_3 var_59_arg_1 = var_58; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_59_arg_0=1, var_59_arg_1=-2, var_61=0] [L409] EXPR var_59_arg_0 & var_59_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L409] SORT_3 var_59 = var_59_arg_0 & var_59_arg_1; [L410] EXPR var_59 & mask_SORT_3 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L410] var_59 = var_59 & mask_SORT_3 [L411] SORT_3 bad_60_arg_0 = var_59; [L412] CALL __VERIFIER_assert(!(bad_60_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1131 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.7s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29666 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29666 mSDsluCounter, 150938 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120915 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2417 IncrementalHoareTripleChecker+Invalid, 2427 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 30023 mSDtfsCounter, 2417 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1215occurred in iteration=15, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 18 MinimizatonAttempts, 1919 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 16.5s InterpolantComputationTime, 1852 NumberOfCodeBlocks, 1852 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1731 ConstructedInterpolants, 0 QuantifiedInterpolants, 8953 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 17:38:56,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/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_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/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_651f7020-aa58-46ca-bc50-d656a4924a5a/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 7eccc5bbdbaf49f286af1eaa6e037aac70bd43bbdd029365a1ddd6424cc3712f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:38:58,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:38:58,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-08 17:38:58,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:38:58,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:38:58,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:38:58,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:38:58,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:38:58,993 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:38:58,993 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:38:58,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:38:58,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:38:58,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:38:58,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:38:58,996 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:38:58,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:38:58,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:38:59,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:38:59,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:38:59,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:38:59,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:38:59,006 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:38:59,006 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:38:59,006 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:38:59,007 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:38:59,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:38:59,007 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:38:59,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:38:59,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:38:59,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:38:59,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:38:59,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:38:59,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:38:59,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:38:59,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:38:59,011 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:38:59,012 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:38:59,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:38:59,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:38:59,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:38:59,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:38:59,014 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_651f7020-aa58-46ca-bc50-d656a4924a5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7eccc5bbdbaf49f286af1eaa6e037aac70bd43bbdd029365a1ddd6424cc3712f [2024-11-08 17:38:59,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:38:59,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:38:59,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:38:59,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:38:59,450 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:38:59,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c Unable to find full path for "g++" [2024-11-08 17:39:01,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:39:01,989 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:39:01,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2024-11-08 17:39:02,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/data/1bb9ec557/74ae01ed1b39431db178208e325678a1/FLAG0e8d05650 [2024-11-08 17:39:02,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/data/1bb9ec557/74ae01ed1b39431db178208e325678a1 [2024-11-08 17:39:02,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:39:02,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:39:02,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:39:02,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:39:02,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:39:02,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:39:02" (1/1) ... [2024-11-08 17:39:02,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b469b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:02, skipping insertion in model container [2024-11-08 17:39:02,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:39:02" (1/1) ... [2024-11-08 17:39:02,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:39:02,496 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_651f7020-aa58-46ca-bc50-d656a4924a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c[1268,1281] [2024-11-08 17:39:02,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:39:02,988 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:39:03,003 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_651f7020-aa58-46ca-bc50-d656a4924a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c[1268,1281] [2024-11-08 17:39:03,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:39:03,287 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:39:03,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03 WrapperNode [2024-11-08 17:39:03,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:39:03,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:39:03,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:39:03,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:39:03,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (1/1) ... [2024-11-08 17:39:03,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (1/1) ... [2024-11-08 17:39:03,509 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2642 [2024-11-08 17:39:03,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:39:03,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:39:03,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:39:03,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:39:03,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (1/1) ... [2024-11-08 17:39:03,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (1/1) ... [2024-11-08 17:39:03,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (1/1) ... [2024-11-08 17:39:03,663 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 17:39:03,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (1/1) ... [2024-11-08 17:39:03,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (1/1) ... [2024-11-08 17:39:03,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (1/1) ... [2024-11-08 17:39:03,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (1/1) ... [2024-11-08 17:39:03,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (1/1) ... [2024-11-08 17:39:03,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (1/1) ... [2024-11-08 17:39:03,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:39:03,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:39:03,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:39:03,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:39:03,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (1/1) ... [2024-11-08 17:39:03,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:39:03,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:39:03,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:39:03,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:39:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:39:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:39:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:39:03,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:39:04,441 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:39:04,444 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:39:08,646 INFO L? ?]: Removed 183 outVars from TransFormulas that were not future-live. [2024-11-08 17:39:08,646 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:39:08,663 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:39:08,665 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:39:08,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:39:08 BoogieIcfgContainer [2024-11-08 17:39:08,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:39:08,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:39:08,671 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:39:08,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:39:08,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:39:02" (1/3) ... [2024-11-08 17:39:08,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26cee909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:39:08, skipping insertion in model container [2024-11-08 17:39:08,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:39:03" (2/3) ... [2024-11-08 17:39:08,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26cee909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:39:08, skipping insertion in model container [2024-11-08 17:39:08,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:39:08" (3/3) ... [2024-11-08 17:39:08,681 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2024-11-08 17:39:08,704 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:39:08,704 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:39:08,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:39:08,802 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;@1cd44070, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:39:08,803 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:39:08,809 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 17:39:08,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 17:39:08,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:39:08,820 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-08 17:39:08,821 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:39:08,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:39:08,831 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-08 17:39:08,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:39:08,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696195473] [2024-11-08 17:39:08,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:39:08,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:39:08,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:39:08,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:39:08,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:39:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:09,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 17:39:09,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:39:09,935 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 17:39:09,937 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:39:09,938 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:39:09,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696195473] [2024-11-08 17:39:09,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696195473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:39:09,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:39:09,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:39:09,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690372461] [2024-11-08 17:39:09,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:39:09,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:39:09,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:39:09,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:39:09,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:39:09,984 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 17:39:10,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:39:10,126 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions. [2024-11-08 17:39:10,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:39:10,130 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 17:39:10,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:39:10,139 INFO L225 Difference]: With dead ends: 18 [2024-11-08 17:39:10,139 INFO L226 Difference]: Without dead ends: 9 [2024-11-08 17:39:10,143 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 17:39:10,149 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 17:39:10,151 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 17:39:10,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-08 17:39:10,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-08 17:39:10,187 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 17:39:10,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 17:39:10,190 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-08 17:39:10,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:39:10,191 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-08 17:39:10,192 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 17:39:10,192 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 17:39:10,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 17:39:10,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:39:10,194 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-08 17:39:10,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:39:10,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:39:10,395 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:39:10,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:39:10,396 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-08 17:39:10,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:39:10,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1663260061] [2024-11-08 17:39:10,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:39:10,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:39:10,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:39:10,402 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:39:10,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:39:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:11,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 17:39:11,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:39:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:39:11,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:39:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:39:16,189 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:39:16,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663260061] [2024-11-08 17:39:16,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663260061] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:39:16,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:39:16,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-08 17:39:16,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164142727] [2024-11-08 17:39:16,191 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:39:16,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:39:16,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:39:16,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:39:16,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-11-08 17:39:16,195 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 17:39:16,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:39:16,548 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-08 17:39:16,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:39:16,550 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 8 [2024-11-08 17:39:16,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:39:16,551 INFO L225 Difference]: With dead ends: 14 [2024-11-08 17:39:16,551 INFO L226 Difference]: Without dead ends: 12 [2024-11-08 17:39:16,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2024-11-08 17:39:16,554 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:39:16,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:39:16,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-08 17:39:16,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-08 17:39:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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 17:39:16,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 17:39:16,565 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-08 17:39:16,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:39:16,565 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-08 17:39:16,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 17:39:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 17:39:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 17:39:16,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:39:16,566 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-08 17:39:16,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:39:16,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:39:16,767 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:39:16,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:39:16,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2024-11-08 17:39:16,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:39:16,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410052143] [2024-11-08 17:39:16,771 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:39:16,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:39:16,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:39:16,774 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:39:16,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_651f7020-aa58-46ca-bc50-d656a4924a5a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:39:18,090 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:39:18,090 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:39:18,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-08 17:39:18,149 INFO L278 TraceCheckSpWp]: Computing forward predicates...