./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/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_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1092dc43771f76171dbbfe5cf9949987a7ce05735adacf2ba24acd31005dd17a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:46:58,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:46:58,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:46:58,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:46:58,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:46:58,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:46:58,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:46:58,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:46:58,603 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:46:58,604 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:46:58,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:46:58,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:46:58,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:46:58,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:46:58,607 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:46:58,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:46:58,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:46:58,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:46:58,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:46:58,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:46:58,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:46:58,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:46:58,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:46:58,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:46:58,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:46:58,616 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:46:58,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:46:58,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:46:58,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:46:58,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:46:58,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:46:58,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:46:58,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:46:58,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:46:58,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:46:58,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:46:58,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:46:58,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:46:58,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:46:58,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:46:58,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:46:58,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:46:58,623 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_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1092dc43771f76171dbbfe5cf9949987a7ce05735adacf2ba24acd31005dd17a [2024-11-08 17:46:58,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:46:58,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:46:58,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:46:58,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:46:58,949 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:46:58,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-25.i Unable to find full path for "g++" [2024-11-08 17:47:00,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:47:01,233 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:47:01,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-25.i [2024-11-08 17:47:01,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/data/12ccfe62b/3a1c0abe146a4f68a67543b16f4289b4/FLAG054523daa [2024-11-08 17:47:01,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/data/12ccfe62b/3a1c0abe146a4f68a67543b16f4289b4 [2024-11-08 17:47:01,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:47:01,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:47:01,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:47:01,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:47:01,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:47:01,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1265075a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01, skipping insertion in model container [2024-11-08 17:47:01,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:47:01,543 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_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-25.i[915,928] [2024-11-08 17:47:01,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:47:01,607 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:47:01,624 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_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-25.i[915,928] [2024-11-08 17:47:01,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:47:01,677 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:47:01,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01 WrapperNode [2024-11-08 17:47:01,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:47:01,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:47:01,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:47:01,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:47:01,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,729 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-08 17:47:01,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:47:01,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:47:01,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:47:01,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:47:01,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,747 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,760 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 17:47:01,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:47:01,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:47:01,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:47:01,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:47:01,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (1/1) ... [2024-11-08 17:47:01,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:47:01,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:47:01,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:47:01,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:47:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:47:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:47:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:47:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:47:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:47:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:47:01,959 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:47:01,961 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:47:02,279 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 17:47:02,279 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:47:02,293 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:47:02,294 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:47:02,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:47:02 BoogieIcfgContainer [2024-11-08 17:47:02,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:47:02,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:47:02,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:47:02,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:47:02,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:47:01" (1/3) ... [2024-11-08 17:47:02,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a3c6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:47:02, skipping insertion in model container [2024-11-08 17:47:02,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:01" (2/3) ... [2024-11-08 17:47:02,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a3c6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:47:02, skipping insertion in model container [2024-11-08 17:47:02,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:47:02" (3/3) ... [2024-11-08 17:47:02,306 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-25.i [2024-11-08 17:47:02,325 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:47:02,326 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:47:02,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:47:02,400 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;@5a048a83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:47:02,401 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:47:02,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-08 17:47:02,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:47:02,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:02,421 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:47:02,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:02,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:02,428 INFO L85 PathProgramCache]: Analyzing trace with hash 2114905797, now seen corresponding path program 1 times [2024-11-08 17:47:02,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:02,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743488057] [2024-11-08 17:47:02,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:02,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:47:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:47:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:47:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:47:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:47:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:47:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:47:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:47:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:47:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:47:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:47:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:47:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:47:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:47:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:47:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:47:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:47:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:47:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:47:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:47:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:47:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:47:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:47:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:47:02,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:02,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743488057] [2024-11-08 17:47:02,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743488057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:02,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:02,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:47:02,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636991834] [2024-11-08 17:47:02,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:02,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:47:02,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:02,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:47:02,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:47:02,983 INFO L87 Difference]: Start difference. First operand has 58 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 17:47:03,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:03,015 INFO L93 Difference]: Finished difference Result 109 states and 191 transitions. [2024-11-08 17:47:03,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:47:03,020 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2024-11-08 17:47:03,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:03,030 INFO L225 Difference]: With dead ends: 109 [2024-11-08 17:47:03,030 INFO L226 Difference]: Without dead ends: 54 [2024-11-08 17:47:03,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:47:03,039 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:03,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:47:03,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-08 17:47:03,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-08 17:47:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-08 17:47:03,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2024-11-08 17:47:03,096 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 139 [2024-11-08 17:47:03,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:03,099 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2024-11-08 17:47:03,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 17:47:03,099 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2024-11-08 17:47:03,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:47:03,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:03,108 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:47:03,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:47:03,109 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:03,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:03,110 INFO L85 PathProgramCache]: Analyzing trace with hash -452769145, now seen corresponding path program 1 times [2024-11-08 17:47:03,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:03,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309584055] [2024-11-08 17:47:03,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:03,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:47:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:47:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:47:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:47:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:47:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:47:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:47:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:47:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:47:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:47:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:47:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:47:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:47:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:47:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:47:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:47:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:47:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:47:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:47:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:47:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:47:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:47:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:47:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:47:06,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:06,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309584055] [2024-11-08 17:47:06,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309584055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:06,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:06,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:47:06,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906949644] [2024-11-08 17:47:06,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:06,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:47:06,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:06,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:47:06,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:47:06,452 INFO L87 Difference]: Start difference. First operand 54 states and 80 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:07,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:07,683 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions. [2024-11-08 17:47:07,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:47:07,684 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-11-08 17:47:07,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:07,686 INFO L225 Difference]: With dead ends: 90 [2024-11-08 17:47:07,686 INFO L226 Difference]: Without dead ends: 88 [2024-11-08 17:47:07,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:47:07,688 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 40 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:07,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 442 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:47:07,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-08 17:47:07,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 72. [2024-11-08 17:47:07,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 43 states have internal predecessors, (49), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 17:47:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 103 transitions. [2024-11-08 17:47:07,717 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 103 transitions. Word has length 139 [2024-11-08 17:47:07,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:07,718 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 103 transitions. [2024-11-08 17:47:07,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:07,718 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 103 transitions. [2024-11-08 17:47:07,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:47:07,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:07,721 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:47:07,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:47:07,721 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:07,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:07,722 INFO L85 PathProgramCache]: Analyzing trace with hash -450922103, now seen corresponding path program 1 times [2024-11-08 17:47:07,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:07,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111824423] [2024-11-08 17:47:07,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:07,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:47:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:47:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:47:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:47:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:47:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:47:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:47:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:47:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:47:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:47:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:47:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:47:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:47:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:47:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:47:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:47:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:47:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:47:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:47:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:47:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:47:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:47:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:47:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:47:12,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:12,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111824423] [2024-11-08 17:47:12,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111824423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:12,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:12,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:47:12,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967703872] [2024-11-08 17:47:12,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:12,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:47:12,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:12,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:47:12,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:47:12,797 INFO L87 Difference]: Start difference. First operand 72 states and 103 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:13,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:13,612 INFO L93 Difference]: Finished difference Result 87 states and 119 transitions. [2024-11-08 17:47:13,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:47:13,615 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-11-08 17:47:13,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:13,621 INFO L225 Difference]: With dead ends: 87 [2024-11-08 17:47:13,622 INFO L226 Difference]: Without dead ends: 85 [2024-11-08 17:47:13,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:47:13,623 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 23 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:13,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 368 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:47:13,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-08 17:47:13,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 75. [2024-11-08 17:47:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 46 states have internal predecessors, (52), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 17:47:13,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2024-11-08 17:47:13,644 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 139 [2024-11-08 17:47:13,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:13,645 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2024-11-08 17:47:13,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2024-11-08 17:47:13,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:47:13,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:13,648 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:47:13,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:47:13,648 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:13,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:13,649 INFO L85 PathProgramCache]: Analyzing trace with hash -395510843, now seen corresponding path program 1 times [2024-11-08 17:47:13,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:13,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123031574] [2024-11-08 17:47:13,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:13,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:47:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:47:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:47:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:47:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:47:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:47:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:47:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:47:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:47:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:47:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:47:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:47:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:47:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:47:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:47:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:47:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:47:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:47:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:47:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:47:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:47:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:47:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:47:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:47:15,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:15,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123031574] [2024-11-08 17:47:15,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123031574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:15,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:15,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:47:15,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380312020] [2024-11-08 17:47:15,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:15,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:47:15,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:15,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:47:15,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:47:15,962 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:16,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:16,538 INFO L93 Difference]: Finished difference Result 103 states and 138 transitions. [2024-11-08 17:47:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:47:16,539 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-11-08 17:47:16,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:16,541 INFO L225 Difference]: With dead ends: 103 [2024-11-08 17:47:16,541 INFO L226 Difference]: Without dead ends: 101 [2024-11-08 17:47:16,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:47:16,543 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 40 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:16,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 400 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:47:16,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-08 17:47:16,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 76. [2024-11-08 17:47:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 46 states have (on average 1.173913043478261) internal successors, (54), 47 states have internal predecessors, (54), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 17:47:16,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2024-11-08 17:47:16,565 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 139 [2024-11-08 17:47:16,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:16,565 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2024-11-08 17:47:16,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2024-11-08 17:47:16,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:47:16,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:16,568 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:47:16,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:47:16,568 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:16,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:16,569 INFO L85 PathProgramCache]: Analyzing trace with hash -393663801, now seen corresponding path program 1 times [2024-11-08 17:47:16,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:16,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429739981] [2024-11-08 17:47:16,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:16,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:47:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:47:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:47:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:47:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:47:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:47:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:47:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:47:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:47:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:47:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:47:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:47:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:47:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:47:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:47:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:47:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:47:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:47:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:47:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:47:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:47:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:47:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:47:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:47:18,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:18,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429739981] [2024-11-08 17:47:18,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429739981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:18,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:18,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:47:18,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032842775] [2024-11-08 17:47:18,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:18,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:47:18,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:18,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:47:18,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:47:18,741 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:20,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:20,063 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions. [2024-11-08 17:47:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:47:20,064 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-11-08 17:47:20,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:20,065 INFO L225 Difference]: With dead ends: 90 [2024-11-08 17:47:20,066 INFO L226 Difference]: Without dead ends: 88 [2024-11-08 17:47:20,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:47:20,067 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 18 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:20,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 478 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:47:20,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-08 17:47:20,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 75. [2024-11-08 17:47:20,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 46 states have internal predecessors, (52), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 17:47:20,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2024-11-08 17:47:20,087 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 139 [2024-11-08 17:47:20,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:20,088 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2024-11-08 17:47:20,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:20,088 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2024-11-08 17:47:20,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:47:20,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:20,091 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:47:20,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:47:20,091 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:20,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:20,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1729020726, now seen corresponding path program 1 times [2024-11-08 17:47:20,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:20,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145391276] [2024-11-08 17:47:20,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:20,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:47:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:47:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:47:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:47:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:47:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:47:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:47:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:47:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:47:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:47:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:47:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:47:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:47:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:47:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:47:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:47:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:47:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:47:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:47:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:47:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:47:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:47:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:47:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:47:20,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:20,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145391276] [2024-11-08 17:47:20,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145391276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:20,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:20,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:47:20,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844806514] [2024-11-08 17:47:20,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:20,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:47:20,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:20,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:47:20,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:47:20,379 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:20,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:20,546 INFO L93 Difference]: Finished difference Result 208 states and 295 transitions. [2024-11-08 17:47:20,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:47:20,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-08 17:47:20,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:20,549 INFO L225 Difference]: With dead ends: 208 [2024-11-08 17:47:20,549 INFO L226 Difference]: Without dead ends: 136 [2024-11-08 17:47:20,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:47:20,554 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 50 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:20,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 223 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:47:20,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-08 17:47:20,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 120. [2024-11-08 17:47:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 66 states have (on average 1.121212121212121) internal successors, (74), 67 states have internal predecessors, (74), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 17:47:20,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-08 17:47:20,607 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 140 [2024-11-08 17:47:20,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:20,608 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-08 17:47:20,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:20,608 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-08 17:47:20,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-08 17:47:20,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:20,615 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:20,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:47:20,615 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:20,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:20,616 INFO L85 PathProgramCache]: Analyzing trace with hash 546632033, now seen corresponding path program 1 times [2024-11-08 17:47:20,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:20,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080911101] [2024-11-08 17:47:20,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:20,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:47:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:47:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:47:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:47:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:47:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:47:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:47:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:47:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:47:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:47:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:47:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:47:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:47:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:47:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:47:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:47:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:47:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:47:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:47:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:47:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:47:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:47:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:47:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 17:47:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-08 17:47:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 17:47:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-08 17:47:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-08 17:47:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-08 17:47:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-08 17:47:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-08 17:47:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-08 17:47:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-08 17:47:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-08 17:47:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-08 17:47:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-08 17:47:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 17:47:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 17:47:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-08 17:47:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-08 17:47:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-08 17:47:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-08 17:47:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-08 17:47:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-08 17:47:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-08 17:47:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-08 17:47:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4177 trivial. 0 not checked. [2024-11-08 17:47:25,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:25,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080911101] [2024-11-08 17:47:25,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080911101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:25,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:25,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:47:25,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894477162] [2024-11-08 17:47:25,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:25,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:47:25,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:25,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:47:25,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:47:25,358 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:28,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:28,376 INFO L93 Difference]: Finished difference Result 164 states and 223 transitions. [2024-11-08 17:47:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:47:28,377 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 276 [2024-11-08 17:47:28,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:28,379 INFO L225 Difference]: With dead ends: 164 [2024-11-08 17:47:28,379 INFO L226 Difference]: Without dead ends: 162 [2024-11-08 17:47:28,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:47:28,381 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 71 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:28,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 423 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:47:28,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-08 17:47:28,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 126. [2024-11-08 17:47:28,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 73 states have internal predecessors, (82), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 17:47:28,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2024-11-08 17:47:28,428 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 276 [2024-11-08 17:47:28,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:28,429 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2024-11-08 17:47:28,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2024-11-08 17:47:28,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-08 17:47:28,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:28,433 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:28,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:47:28,434 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:28,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:28,434 INFO L85 PathProgramCache]: Analyzing trace with hash 548479075, now seen corresponding path program 1 times [2024-11-08 17:47:28,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:28,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590941430] [2024-11-08 17:47:28,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:28,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:47:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:47:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:47:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:47:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:47:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:47:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:47:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:47:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:47:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:47:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:47:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:47:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:47:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:47:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:47:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:47:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:47:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:47:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:47:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:47:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:47:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:47:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:47:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 17:47:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-08 17:47:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 17:47:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-08 17:47:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-08 17:47:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-08 17:47:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-08 17:47:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-08 17:47:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-08 17:47:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-08 17:47:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-08 17:47:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-08 17:47:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-08 17:47:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 17:47:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 17:47:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-08 17:47:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-08 17:47:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-08 17:47:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-08 17:47:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-08 17:47:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-08 17:47:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-08 17:47:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-08 17:47:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4177 trivial. 0 not checked. [2024-11-08 17:47:32,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:32,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590941430] [2024-11-08 17:47:32,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590941430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:32,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:32,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:47:32,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829928298] [2024-11-08 17:47:32,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:32,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:47:32,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:32,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:47:32,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:47:32,898 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:36,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:36,091 INFO L93 Difference]: Finished difference Result 162 states and 221 transitions. [2024-11-08 17:47:36,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:47:36,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 276 [2024-11-08 17:47:36,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:36,094 INFO L225 Difference]: With dead ends: 162 [2024-11-08 17:47:36,094 INFO L226 Difference]: Without dead ends: 160 [2024-11-08 17:47:36,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:47:36,095 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 53 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:36,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 390 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:47:36,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-08 17:47:36,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 126. [2024-11-08 17:47:36,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 73 states have internal predecessors, (82), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 17:47:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2024-11-08 17:47:36,120 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 276 [2024-11-08 17:47:36,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:36,121 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2024-11-08 17:47:36,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2024-11-08 17:47:36,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-08 17:47:36,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:36,126 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:36,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:47:36,127 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:36,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:36,127 INFO L85 PathProgramCache]: Analyzing trace with hash 603890335, now seen corresponding path program 1 times [2024-11-08 17:47:36,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:36,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963386144] [2024-11-08 17:47:36,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:36,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:47:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:47:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:47:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:47:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:47:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:47:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:47:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:47:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:47:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:47:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:47:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:47:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:47:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:47:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:47:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:47:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:47:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:47:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:47:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:47:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:47:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:47:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:47:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 17:47:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-08 17:47:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 17:47:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-08 17:47:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-08 17:47:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-08 17:47:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-08 17:47:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-08 17:47:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-08 17:47:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-08 17:47:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-08 17:47:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-08 17:47:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-08 17:47:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 17:47:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 17:47:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-08 17:47:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-08 17:47:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-08 17:47:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-08 17:47:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-08 17:47:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-08 17:47:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-08 17:47:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-08 17:47:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4177 trivial. 0 not checked. [2024-11-08 17:47:40,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:40,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963386144] [2024-11-08 17:47:40,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963386144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:40,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:40,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:47:40,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569629525] [2024-11-08 17:47:40,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:40,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:47:40,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:40,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:47:40,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:47:40,638 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:43,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:43,496 INFO L93 Difference]: Finished difference Result 151 states and 208 transitions. [2024-11-08 17:47:43,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:47:43,497 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 276 [2024-11-08 17:47:43,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:43,498 INFO L225 Difference]: With dead ends: 151 [2024-11-08 17:47:43,498 INFO L226 Difference]: Without dead ends: 149 [2024-11-08 17:47:43,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:47:43,499 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 46 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:43,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 559 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 17:47:43,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-08 17:47:43,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 127. [2024-11-08 17:47:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 73 states have (on average 1.1506849315068493) internal successors, (84), 74 states have internal predecessors, (84), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 17:47:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 184 transitions. [2024-11-08 17:47:43,530 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 184 transitions. Word has length 276 [2024-11-08 17:47:43,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:43,531 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 184 transitions. [2024-11-08 17:47:43,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:43,534 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 184 transitions. [2024-11-08 17:47:43,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-08 17:47:43,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:43,536 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:43,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:47:43,538 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:43,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:43,538 INFO L85 PathProgramCache]: Analyzing trace with hash 605737377, now seen corresponding path program 1 times [2024-11-08 17:47:43,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:43,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071253266] [2024-11-08 17:47:43,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:43,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:45,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:47:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:47:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:47:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:47:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:47:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:47:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:47:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:47:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:47:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:47:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:47:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:47:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:47:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:47:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:47:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:47:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:47:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:47:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:47:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:47:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:47:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:47:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:47:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 17:47:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-08 17:47:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 17:47:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-08 17:47:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-08 17:47:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-08 17:47:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-08 17:47:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-08 17:47:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-08 17:47:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-08 17:47:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-08 17:47:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-08 17:47:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-08 17:47:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 17:47:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 17:47:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-08 17:47:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-08 17:47:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-08 17:47:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-08 17:47:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-08 17:47:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-08 17:47:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-08 17:47:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-08 17:47:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4177 trivial. 0 not checked. [2024-11-08 17:47:46,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:46,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071253266] [2024-11-08 17:47:46,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071253266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:46,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:46,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:47:46,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013443601] [2024-11-08 17:47:46,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:46,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:47:46,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:46,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:47:46,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:47:46,091 INFO L87 Difference]: Start difference. First operand 127 states and 184 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:47,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:47,057 INFO L93 Difference]: Finished difference Result 160 states and 218 transitions. [2024-11-08 17:47:47,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:47:47,058 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 276 [2024-11-08 17:47:47,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:47,059 INFO L225 Difference]: With dead ends: 160 [2024-11-08 17:47:47,060 INFO L226 Difference]: Without dead ends: 158 [2024-11-08 17:47:47,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:47:47,061 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 38 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:47,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 459 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:47:47,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-08 17:47:47,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 126. [2024-11-08 17:47:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 73 states have internal predecessors, (82), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 17:47:47,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2024-11-08 17:47:47,090 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 276 [2024-11-08 17:47:47,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:47,092 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2024-11-08 17:47:47,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:47:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2024-11-08 17:47:47,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-08 17:47:47,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:47,095 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:47,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:47:47,095 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:47,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:47,096 INFO L85 PathProgramCache]: Analyzing trace with hash -262714593, now seen corresponding path program 1 times [2024-11-08 17:47:47,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:47,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049770459] [2024-11-08 17:47:47,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:47,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:47:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:47:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:47:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:47:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:47:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:47:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:47:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:47:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:47:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:47:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:47:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:47:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:47:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:47:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:47:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:47:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:47:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:47:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 17:47:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:47:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:47:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:47:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:47:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 17:47:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-08 17:47:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 17:47:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-08 17:47:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-08 17:47:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-08 17:47:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-08 17:47:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-08 17:47:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-08 17:47:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-08 17:47:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-08 17:47:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-08 17:47:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-08 17:47:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-08 17:47:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-08 17:47:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-08 17:47:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-08 17:47:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-08 17:47:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-08 17:47:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-08 17:47:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-08 17:47:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-08 17:47:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-08 17:47:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4176 trivial. 0 not checked. [2024-11-08 17:47:49,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:49,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049770459] [2024-11-08 17:47:49,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049770459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:47:49,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271156757] [2024-11-08 17:47:49,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:49,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:47:49,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:47:49,408 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:47:49,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96a3f2-7cc2-42e2-8d9f-1377b35d44e7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:47:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:49,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 17:47:49,578 INFO L278 TraceCheckSpWp]: Computing forward predicates...