./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/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_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/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_33f44062-c075-41e5-83dc-ce6e3f2b072d/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 459832ff19f29163e11bbddd7ad07903a7d5846182a7bd0f1d9d1891c3a83882 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:45:55,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:45:55,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:45:55,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:45:55,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:45:55,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:45:55,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:45:55,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:45:55,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:45:55,499 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:45:55,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:45:55,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:45:55,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:45:55,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:45:55,504 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:45:55,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:45:55,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:45:55,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:45:55,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:45:55,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:45:55,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:45:55,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:45:55,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:45:55,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:45:55,511 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:45:55,511 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:45:55,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:45:55,516 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:45:55,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:45:55,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:45:55,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:45:55,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:45:55,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:45:55,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:45:55,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:45:55,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:45:55,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:45:55,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:45:55,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:45:55,519 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:45:55,519 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:45:55,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:45:55,521 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_33f44062-c075-41e5-83dc-ce6e3f2b072d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 459832ff19f29163e11bbddd7ad07903a7d5846182a7bd0f1d9d1891c3a83882 [2024-11-08 17:45:55,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:45:55,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:45:55,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:45:55,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:45:55,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:45:55,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i Unable to find full path for "g++" [2024-11-08 17:45:57,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:45:57,969 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:45:57,969 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i [2024-11-08 17:45:57,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/data/7098dced4/9fe33991bb4a45568c43bfd03fa839ed/FLAG9b2b5d06f [2024-11-08 17:45:58,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/data/7098dced4/9fe33991bb4a45568c43bfd03fa839ed [2024-11-08 17:45:58,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:45:58,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:45:58,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:45:58,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:45:58,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:45:58,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dce3424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58, skipping insertion in model container [2024-11-08 17:45:58,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:45:58,575 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_33f44062-c075-41e5-83dc-ce6e3f2b072d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i[916,929] [2024-11-08 17:45:58,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:45:58,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:45:58,653 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_33f44062-c075-41e5-83dc-ce6e3f2b072d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i[916,929] [2024-11-08 17:45:58,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:45:58,712 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:45:58,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58 WrapperNode [2024-11-08 17:45:58,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:45:58,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:45:58,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:45:58,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:45:58,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,763 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2024-11-08 17:45:58,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:45:58,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:45:58,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:45:58,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:45:58,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,795 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 17:45:58,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:45:58,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:45:58,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:45:58,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:45:58,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (1/1) ... [2024-11-08 17:45:58,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:45:58,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:45:58,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:45:58,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:45:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:45:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:45:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:45:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:45:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:45:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:45:59,041 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:45:59,044 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:45:59,478 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 17:45:59,478 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:45:59,500 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:45:59,500 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:45:59,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:45:59 BoogieIcfgContainer [2024-11-08 17:45:59,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:45:59,506 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:45:59,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:45:59,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:45:59,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:45:58" (1/3) ... [2024-11-08 17:45:59,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ede6d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:45:59, skipping insertion in model container [2024-11-08 17:45:59,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:45:58" (2/3) ... [2024-11-08 17:45:59,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ede6d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:45:59, skipping insertion in model container [2024-11-08 17:45:59,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:45:59" (3/3) ... [2024-11-08 17:45:59,515 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-43.i [2024-11-08 17:45:59,535 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:45:59,536 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:45:59,601 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:45:59,608 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;@49fe60cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:45:59,608 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:45:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 55 states have internal predecessors, (75), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 17:45:59,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 17:45:59,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:45:59,628 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:45:59,629 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:45:59,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:45:59,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1810015922, now seen corresponding path program 1 times [2024-11-08 17:45:59,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:45:59,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305809974] [2024-11-08 17:45:59,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:45:59,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:45:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:45:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:45:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:45:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:45:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:45:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:45:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:45:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:45:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:45:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:45:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:45:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:45:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:59,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:45:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:00,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:00,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:00,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:00,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:00,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:00,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:00,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:00,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:00,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:00,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:00,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:00,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305809974] [2024-11-08 17:46:00,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305809974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:00,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:00,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:46:00,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528888603] [2024-11-08 17:46:00,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:00,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:46:00,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:00,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:46:00,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:46:00,096 INFO L87 Difference]: Start difference. First operand has 81 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 55 states have internal predecessors, (75), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-08 17:46:00,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:00,128 INFO L93 Difference]: Finished difference Result 155 states and 264 transitions. [2024-11-08 17:46:00,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:46:00,130 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 153 [2024-11-08 17:46:00,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:00,139 INFO L225 Difference]: With dead ends: 155 [2024-11-08 17:46:00,140 INFO L226 Difference]: Without dead ends: 77 [2024-11-08 17:46:00,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 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 17:46:00,150 INFO L432 NwaCegarLoop]: 116 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, 116 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 17:46:00,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:46:00,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-08 17:46:00,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-08 17:46:00,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 51 states have internal predecessors, (68), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 17:46:00,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 116 transitions. [2024-11-08 17:46:00,215 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 116 transitions. Word has length 153 [2024-11-08 17:46:00,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:00,215 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 116 transitions. [2024-11-08 17:46:00,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-08 17:46:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions. [2024-11-08 17:46:00,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 17:46:00,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:00,221 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:00,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:46:00,221 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:00,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:00,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1218639538, now seen corresponding path program 1 times [2024-11-08 17:46:00,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:00,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826961839] [2024-11-08 17:46:00,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:00,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:04,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:04,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826961839] [2024-11-08 17:46:04,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826961839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:04,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:04,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:46:04,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701991049] [2024-11-08 17:46:04,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:04,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:46:04,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:04,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:46:04,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:46:04,117 INFO L87 Difference]: Start difference. First operand 77 states and 116 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:04,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:04,592 INFO L93 Difference]: Finished difference Result 193 states and 283 transitions. [2024-11-08 17:46:04,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:46:04,595 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 153 [2024-11-08 17:46:04,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:04,597 INFO L225 Difference]: With dead ends: 193 [2024-11-08 17:46:04,597 INFO L226 Difference]: Without dead ends: 119 [2024-11-08 17:46:04,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:46:04,602 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 79 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:04,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 413 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:46:04,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-08 17:46:04,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 80. [2024-11-08 17:46:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 54 states have internal predecessors, (71), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 17:46:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 119 transitions. [2024-11-08 17:46:04,623 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 119 transitions. Word has length 153 [2024-11-08 17:46:04,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:04,629 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 119 transitions. [2024-11-08 17:46:04,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:04,630 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2024-11-08 17:46:04,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 17:46:04,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:04,634 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:04,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:46:04,634 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:04,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:04,635 INFO L85 PathProgramCache]: Analyzing trace with hash 13510734, now seen corresponding path program 1 times [2024-11-08 17:46:04,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:04,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425141563] [2024-11-08 17:46:04,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:04,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:07,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:07,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425141563] [2024-11-08 17:46:07,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425141563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:07,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:07,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:46:07,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919237643] [2024-11-08 17:46:07,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:07,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:46:07,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:07,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:46:07,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:46:07,560 INFO L87 Difference]: Start difference. First operand 80 states and 119 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:07,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:07,845 INFO L93 Difference]: Finished difference Result 180 states and 263 transitions. [2024-11-08 17:46:07,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:46:07,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 153 [2024-11-08 17:46:07,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:07,848 INFO L225 Difference]: With dead ends: 180 [2024-11-08 17:46:07,848 INFO L226 Difference]: Without dead ends: 103 [2024-11-08 17:46:07,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:46:07,850 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 53 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:07,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 415 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:46:07,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-08 17:46:07,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2024-11-08 17:46:07,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 51 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 17:46:07,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2024-11-08 17:46:07,860 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 153 [2024-11-08 17:46:07,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:07,861 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2024-11-08 17:46:07,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:07,862 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2024-11-08 17:46:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-08 17:46:07,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:07,864 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:07,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:46:07,865 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:07,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:07,865 INFO L85 PathProgramCache]: Analyzing trace with hash 595392969, now seen corresponding path program 1 times [2024-11-08 17:46:07,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:07,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224664983] [2024-11-08 17:46:07,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:07,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:08,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:08,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224664983] [2024-11-08 17:46:08,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224664983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:08,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:08,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:46:08,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044724177] [2024-11-08 17:46:08,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:08,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:46:08,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:08,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:46:08,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:46:08,251 INFO L87 Difference]: Start difference. First operand 77 states and 115 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:08,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:08,538 INFO L93 Difference]: Finished difference Result 201 states and 299 transitions. [2024-11-08 17:46:08,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:46:08,539 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 155 [2024-11-08 17:46:08,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:08,542 INFO L225 Difference]: With dead ends: 201 [2024-11-08 17:46:08,542 INFO L226 Difference]: Without dead ends: 127 [2024-11-08 17:46:08,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:46:08,544 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 65 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:08,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 583 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:46:08,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-08 17:46:08,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2024-11-08 17:46:08,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 88 states have internal predecessors, (116), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 17:46:08,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 184 transitions. [2024-11-08 17:46:08,559 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 184 transitions. Word has length 155 [2024-11-08 17:46:08,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:08,560 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 184 transitions. [2024-11-08 17:46:08,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:08,560 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 184 transitions. [2024-11-08 17:46:08,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 17:46:08,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:08,563 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:08,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:46:08,563 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:08,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:08,564 INFO L85 PathProgramCache]: Analyzing trace with hash -744609881, now seen corresponding path program 1 times [2024-11-08 17:46:08,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:08,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989140424] [2024-11-08 17:46:08,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:08,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:08,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:09,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:09,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989140424] [2024-11-08 17:46:09,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989140424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:09,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:09,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:46:09,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610179760] [2024-11-08 17:46:09,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:09,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:46:09,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:09,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:46:09,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:46:09,047 INFO L87 Difference]: Start difference. First operand 124 states and 184 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:09,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:09,170 INFO L93 Difference]: Finished difference Result 303 states and 450 transitions. [2024-11-08 17:46:09,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:46:09,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 156 [2024-11-08 17:46:09,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:09,175 INFO L225 Difference]: With dead ends: 303 [2024-11-08 17:46:09,175 INFO L226 Difference]: Without dead ends: 182 [2024-11-08 17:46:09,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:46:09,177 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 74 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:09,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 655 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:46:09,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-08 17:46:09,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2024-11-08 17:46:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 125 states have (on average 1.328) internal successors, (166), 127 states have internal predecessors, (166), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 17:46:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 266 transitions. [2024-11-08 17:46:09,219 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 266 transitions. Word has length 156 [2024-11-08 17:46:09,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:09,219 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 266 transitions. [2024-11-08 17:46:09,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 266 transitions. [2024-11-08 17:46:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 17:46:09,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:09,224 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:09,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:46:09,225 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:09,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:09,225 INFO L85 PathProgramCache]: Analyzing trace with hash -268650318, now seen corresponding path program 1 times [2024-11-08 17:46:09,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:09,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982143771] [2024-11-08 17:46:09,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:09,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:09,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:09,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:09,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982143771] [2024-11-08 17:46:09,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982143771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:09,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:09,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:46:09,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389240463] [2024-11-08 17:46:09,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:09,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:46:09,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:09,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:46:09,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:46:09,353 INFO L87 Difference]: Start difference. First operand 179 states and 266 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:09,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:09,390 INFO L93 Difference]: Finished difference Result 441 states and 648 transitions. [2024-11-08 17:46:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:46:09,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 156 [2024-11-08 17:46:09,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:09,393 INFO L225 Difference]: With dead ends: 441 [2024-11-08 17:46:09,393 INFO L226 Difference]: Without dead ends: 265 [2024-11-08 17:46:09,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:46:09,395 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 64 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:09,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 252 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:46:09,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-08 17:46:09,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 200. [2024-11-08 17:46:09,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 145 states have (on average 1.3310344827586207) internal successors, (193), 147 states have internal predecessors, (193), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 17:46:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 293 transitions. [2024-11-08 17:46:09,418 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 293 transitions. Word has length 156 [2024-11-08 17:46:09,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:09,419 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 293 transitions. [2024-11-08 17:46:09,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 293 transitions. [2024-11-08 17:46:09,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 17:46:09,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:09,421 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:09,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:46:09,423 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:09,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:09,424 INFO L85 PathProgramCache]: Analyzing trace with hash -177855260, now seen corresponding path program 1 times [2024-11-08 17:46:09,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:09,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63980007] [2024-11-08 17:46:09,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:09,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:12,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:12,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63980007] [2024-11-08 17:46:12,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63980007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:12,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:12,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 17:46:12,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748542432] [2024-11-08 17:46:12,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:12,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 17:46:12,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:12,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 17:46:12,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:46:12,632 INFO L87 Difference]: Start difference. First operand 200 states and 293 transitions. Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:14,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:14,392 INFO L93 Difference]: Finished difference Result 631 states and 910 transitions. [2024-11-08 17:46:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:46:14,393 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2024-11-08 17:46:14,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:14,399 INFO L225 Difference]: With dead ends: 631 [2024-11-08 17:46:14,399 INFO L226 Difference]: Without dead ends: 434 [2024-11-08 17:46:14,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-08 17:46:14,401 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 343 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:14,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 895 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 17:46:14,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-08 17:46:14,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 402. [2024-11-08 17:46:14,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 290 states have (on average 1.289655172413793) internal successors, (374), 294 states have internal predecessors, (374), 102 states have call successors, (102), 9 states have call predecessors, (102), 9 states have return successors, (102), 98 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 17:46:14,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 578 transitions. [2024-11-08 17:46:14,475 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 578 transitions. Word has length 157 [2024-11-08 17:46:14,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:14,476 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 578 transitions. [2024-11-08 17:46:14,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 578 transitions. [2024-11-08 17:46:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 17:46:14,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:14,480 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:14,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:46:14,481 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:14,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:14,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1188972510, now seen corresponding path program 1 times [2024-11-08 17:46:14,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:14,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580225358] [2024-11-08 17:46:14,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:14,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:16,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:16,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580225358] [2024-11-08 17:46:16,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580225358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:16,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:16,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:46:16,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81858942] [2024-11-08 17:46:16,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:16,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:46:16,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:16,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:46:16,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:46:16,249 INFO L87 Difference]: Start difference. First operand 402 states and 578 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:17,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:17,649 INFO L93 Difference]: Finished difference Result 802 states and 1120 transitions. [2024-11-08 17:46:17,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:46:17,650 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2024-11-08 17:46:17,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:17,655 INFO L225 Difference]: With dead ends: 802 [2024-11-08 17:46:17,655 INFO L226 Difference]: Without dead ends: 800 [2024-11-08 17:46:17,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:46:17,657 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 236 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:17,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1332 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 17:46:17,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-08 17:46:17,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 559. [2024-11-08 17:46:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 418 states have (on average 1.2822966507177034) internal successors, (536), 423 states have internal predecessors, (536), 126 states have call successors, (126), 14 states have call predecessors, (126), 14 states have return successors, (126), 121 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-08 17:46:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 788 transitions. [2024-11-08 17:46:17,784 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 788 transitions. Word has length 157 [2024-11-08 17:46:17,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:17,784 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 788 transitions. [2024-11-08 17:46:17,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 788 transitions. [2024-11-08 17:46:17,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 17:46:17,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:17,787 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:17,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:46:17,788 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:17,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:17,788 INFO L85 PathProgramCache]: Analyzing trace with hash -751844380, now seen corresponding path program 1 times [2024-11-08 17:46:17,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:17,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822109348] [2024-11-08 17:46:17,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:17,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:19,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:19,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:19,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822109348] [2024-11-08 17:46:19,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822109348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:19,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:19,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 17:46:19,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054833361] [2024-11-08 17:46:19,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:19,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:46:19,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:19,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:46:19,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:46:19,759 INFO L87 Difference]: Start difference. First operand 559 states and 788 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:20,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:20,762 INFO L93 Difference]: Finished difference Result 660 states and 922 transitions. [2024-11-08 17:46:20,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:46:20,762 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2024-11-08 17:46:20,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:20,769 INFO L225 Difference]: With dead ends: 660 [2024-11-08 17:46:20,769 INFO L226 Difference]: Without dead ends: 658 [2024-11-08 17:46:20,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:46:20,770 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 225 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:20,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 685 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:46:20,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-08 17:46:20,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 520. [2024-11-08 17:46:20,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 379 states have (on average 1.2928759894459103) internal successors, (490), 384 states have internal predecessors, (490), 126 states have call successors, (126), 14 states have call predecessors, (126), 14 states have return successors, (126), 121 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-08 17:46:20,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 742 transitions. [2024-11-08 17:46:20,886 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 742 transitions. Word has length 157 [2024-11-08 17:46:20,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:20,887 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 742 transitions. [2024-11-08 17:46:20,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:20,887 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 742 transitions. [2024-11-08 17:46:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 17:46:20,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:20,890 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:20,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:46:20,890 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:20,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:20,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1198923614, now seen corresponding path program 1 times [2024-11-08 17:46:20,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:20,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867539665] [2024-11-08 17:46:20,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:20,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:22,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:22,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867539665] [2024-11-08 17:46:22,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867539665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:22,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:22,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 17:46:22,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473750987] [2024-11-08 17:46:22,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:22,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 17:46:22,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:22,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 17:46:22,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:46:22,664 INFO L87 Difference]: Start difference. First operand 520 states and 742 transitions. Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:24,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:24,258 INFO L93 Difference]: Finished difference Result 1129 states and 1591 transitions. [2024-11-08 17:46:24,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:46:24,259 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2024-11-08 17:46:24,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:24,262 INFO L225 Difference]: With dead ends: 1129 [2024-11-08 17:46:24,263 INFO L226 Difference]: Without dead ends: 647 [2024-11-08 17:46:24,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-08 17:46:24,265 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 289 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:24,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 962 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 17:46:24,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-08 17:46:24,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 597. [2024-11-08 17:46:24,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 443 states have (on average 1.275395033860045) internal successors, (565), 449 states have internal predecessors, (565), 136 states have call successors, (136), 17 states have call predecessors, (136), 17 states have return successors, (136), 130 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-08 17:46:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 837 transitions. [2024-11-08 17:46:24,380 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 837 transitions. Word has length 157 [2024-11-08 17:46:24,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:24,380 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 837 transitions. [2024-11-08 17:46:24,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:24,381 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 837 transitions. [2024-11-08 17:46:24,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 17:46:24,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:24,383 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:24,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:46:24,383 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:24,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:24,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2084926432, now seen corresponding path program 1 times [2024-11-08 17:46:24,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:24,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57970479] [2024-11-08 17:46:24,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:24,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:25,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:25,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57970479] [2024-11-08 17:46:25,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57970479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:25,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:25,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:46:25,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145028476] [2024-11-08 17:46:25,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:25,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:46:25,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:25,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:46:25,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:46:25,379 INFO L87 Difference]: Start difference. First operand 597 states and 837 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:27,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:27,466 INFO L93 Difference]: Finished difference Result 1392 states and 1955 transitions. [2024-11-08 17:46:27,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 17:46:27,468 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2024-11-08 17:46:27,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:27,476 INFO L225 Difference]: With dead ends: 1392 [2024-11-08 17:46:27,476 INFO L226 Difference]: Without dead ends: 1079 [2024-11-08 17:46:27,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:46:27,478 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 271 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 1543 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:27,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 1543 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 17:46:27,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2024-11-08 17:46:27,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 620. [2024-11-08 17:46:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 477 states have (on average 1.2935010482180294) internal successors, (617), 482 states have internal predecessors, (617), 126 states have call successors, (126), 16 states have call predecessors, (126), 16 states have return successors, (126), 121 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-08 17:46:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 869 transitions. [2024-11-08 17:46:27,614 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 869 transitions. Word has length 157 [2024-11-08 17:46:27,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:27,615 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 869 transitions. [2024-11-08 17:46:27,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 869 transitions. [2024-11-08 17:46:27,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 17:46:27,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:27,618 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:27,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:46:27,618 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:27,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:27,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1772912734, now seen corresponding path program 1 times [2024-11-08 17:46:27,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:27,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406602646] [2024-11-08 17:46:27,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:27,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:28,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:28,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406602646] [2024-11-08 17:46:28,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406602646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:28,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:28,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 17:46:28,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073209828] [2024-11-08 17:46:28,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:28,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:46:28,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:28,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:46:28,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:46:28,776 INFO L87 Difference]: Start difference. First operand 620 states and 869 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:29,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:29,903 INFO L93 Difference]: Finished difference Result 1218 states and 1694 transitions. [2024-11-08 17:46:29,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:46:29,904 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2024-11-08 17:46:29,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:29,911 INFO L225 Difference]: With dead ends: 1218 [2024-11-08 17:46:29,912 INFO L226 Difference]: Without dead ends: 835 [2024-11-08 17:46:29,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:46:29,915 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 167 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:29,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 991 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 17:46:29,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-11-08 17:46:30,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 580. [2024-11-08 17:46:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 437 states have (on average 1.297482837528604) internal successors, (567), 442 states have internal predecessors, (567), 126 states have call successors, (126), 16 states have call predecessors, (126), 16 states have return successors, (126), 121 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-08 17:46:30,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 819 transitions. [2024-11-08 17:46:30,041 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 819 transitions. Word has length 157 [2024-11-08 17:46:30,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:30,041 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 819 transitions. [2024-11-08 17:46:30,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 819 transitions. [2024-11-08 17:46:30,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 17:46:30,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:30,044 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:30,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:46:30,044 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:30,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:30,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1835752421, now seen corresponding path program 1 times [2024-11-08 17:46:30,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:30,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379781507] [2024-11-08 17:46:30,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-08 17:46:30,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:30,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379781507] [2024-11-08 17:46:30,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379781507] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:46:30,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660167049] [2024-11-08 17:46:30,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:30,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:46:30,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:46:30,240 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:46:30,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:46:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:30,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:46:30,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:46:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 519 proven. 45 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-08 17:46:30,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:46:30,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-08 17:46:30,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660167049] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:46:30,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:46:30,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-08 17:46:30,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767127187] [2024-11-08 17:46:30,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:46:30,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:46:30,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:30,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:46:30,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:46:30,818 INFO L87 Difference]: Start difference. First operand 580 states and 819 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2024-11-08 17:46:31,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:31,092 INFO L93 Difference]: Finished difference Result 910 states and 1279 transitions. [2024-11-08 17:46:31,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:46:31,093 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 157 [2024-11-08 17:46:31,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:31,096 INFO L225 Difference]: With dead ends: 910 [2024-11-08 17:46:31,097 INFO L226 Difference]: Without dead ends: 372 [2024-11-08 17:46:31,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:46:31,099 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 156 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:31,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 175 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:46:31,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-08 17:46:31,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 364. [2024-11-08 17:46:31,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 253 states have (on average 1.2411067193675889) internal successors, (314), 256 states have internal predecessors, (314), 94 states have call successors, (94), 16 states have call predecessors, (94), 16 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-08 17:46:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 502 transitions. [2024-11-08 17:46:31,199 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 502 transitions. Word has length 157 [2024-11-08 17:46:31,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:31,199 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 502 transitions. [2024-11-08 17:46:31,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2024-11-08 17:46:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 502 transitions. [2024-11-08 17:46:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 17:46:31,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:31,201 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:31,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:46:31,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 17:46:31,405 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:31,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash 476876699, now seen corresponding path program 1 times [2024-11-08 17:46:31,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:31,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278961551] [2024-11-08 17:46:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:31,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-08 17:46:31,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:31,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278961551] [2024-11-08 17:46:31,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278961551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:46:31,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699109350] [2024-11-08 17:46:31,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:31,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:46:31,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:46:31,674 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:46:31,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:46:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:31,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 17:46:31,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:46:31,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 519 proven. 45 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-08 17:46:31,961 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:46:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-08 17:46:32,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699109350] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:46:32,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:46:32,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-08 17:46:32,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710114423] [2024-11-08 17:46:32,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:46:32,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:46:32,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:32,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:46:32,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:46:32,200 INFO L87 Difference]: Start difference. First operand 364 states and 502 transitions. Second operand has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2024-11-08 17:46:32,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:32,596 INFO L93 Difference]: Finished difference Result 702 states and 967 transitions. [2024-11-08 17:46:32,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:46:32,596 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 158 [2024-11-08 17:46:32,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:32,599 INFO L225 Difference]: With dead ends: 702 [2024-11-08 17:46:32,599 INFO L226 Difference]: Without dead ends: 384 [2024-11-08 17:46:32,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:46:32,601 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 57 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:32,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 432 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:46:32,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-08 17:46:32,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 376. [2024-11-08 17:46:32,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 265 states have (on average 1.230188679245283) internal successors, (326), 268 states have internal predecessors, (326), 94 states have call successors, (94), 16 states have call predecessors, (94), 16 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-08 17:46:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 514 transitions. [2024-11-08 17:46:32,678 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 514 transitions. Word has length 158 [2024-11-08 17:46:32,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:32,679 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 514 transitions. [2024-11-08 17:46:32,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2024-11-08 17:46:32,679 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 514 transitions. [2024-11-08 17:46:32,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 17:46:32,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:32,681 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:32,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:46:32,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-08 17:46:32,882 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:32,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:32,882 INFO L85 PathProgramCache]: Analyzing trace with hash -802986979, now seen corresponding path program 1 times [2024-11-08 17:46:32,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:32,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289896762] [2024-11-08 17:46:32,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:32,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-08 17:46:33,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:33,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289896762] [2024-11-08 17:46:33,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289896762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:46:33,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390365150] [2024-11-08 17:46:33,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:33,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:46:33,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:46:33,258 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:46:33,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:46:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:33,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 17:46:33,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:46:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-08 17:46:33,575 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:46:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-08 17:46:33,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390365150] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:46:33,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:46:33,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-08 17:46:33,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709589146] [2024-11-08 17:46:33,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:46:33,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 17:46:33,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:33,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 17:46:33,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:46:33,832 INFO L87 Difference]: Start difference. First operand 376 states and 514 transitions. Second operand has 16 states, 16 states have (on average 5.1875) internal successors, (83), 16 states have internal predecessors, (83), 3 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-11-08 17:46:34,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:34,572 INFO L93 Difference]: Finished difference Result 938 states and 1258 transitions. [2024-11-08 17:46:34,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:46:34,573 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.1875) internal successors, (83), 16 states have internal predecessors, (83), 3 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 158 [2024-11-08 17:46:34,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:34,576 INFO L225 Difference]: With dead ends: 938 [2024-11-08 17:46:34,577 INFO L226 Difference]: Without dead ends: 608 [2024-11-08 17:46:34,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:46:34,579 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 315 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:34,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 535 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:46:34,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-11-08 17:46:34,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 413. [2024-11-08 17:46:34,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 298 states have (on average 1.238255033557047) internal successors, (369), 301 states have internal predecessors, (369), 94 states have call successors, (94), 20 states have call predecessors, (94), 20 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-08 17:46:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 557 transitions. [2024-11-08 17:46:34,669 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 557 transitions. Word has length 158 [2024-11-08 17:46:34,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:34,670 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 557 transitions. [2024-11-08 17:46:34,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.1875) internal successors, (83), 16 states have internal predecessors, (83), 3 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-11-08 17:46:34,670 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 557 transitions. [2024-11-08 17:46:34,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 17:46:34,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:34,671 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:34,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 17:46:34,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-08 17:46:34,873 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:34,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:34,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1935493772, now seen corresponding path program 1 times [2024-11-08 17:46:34,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:34,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086117211] [2024-11-08 17:46:34,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:34,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:46:35,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:35,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086117211] [2024-11-08 17:46:35,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086117211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:35,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:35,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 17:46:35,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945778763] [2024-11-08 17:46:35,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:35,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:46:35,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:35,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:46:35,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:46:35,843 INFO L87 Difference]: Start difference. First operand 413 states and 557 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:36,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:36,589 INFO L93 Difference]: Finished difference Result 544 states and 730 transitions. [2024-11-08 17:46:36,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:46:36,590 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 159 [2024-11-08 17:46:36,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:36,594 INFO L225 Difference]: With dead ends: 544 [2024-11-08 17:46:36,594 INFO L226 Difference]: Without dead ends: 542 [2024-11-08 17:46:36,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:46:36,595 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 142 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:36,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 988 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:46:36,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-08 17:46:36,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 512. [2024-11-08 17:46:36,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 379 states have (on average 1.2348284960422165) internal successors, (468), 384 states have internal predecessors, (468), 110 states have call successors, (110), 22 states have call predecessors, (110), 22 states have return successors, (110), 105 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-08 17:46:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 688 transitions. [2024-11-08 17:46:36,727 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 688 transitions. Word has length 159 [2024-11-08 17:46:36,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:36,728 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 688 transitions. [2024-11-08 17:46:36,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:36,728 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 688 transitions. [2024-11-08 17:46:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 17:46:36,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:36,729 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:36,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 17:46:36,730 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:36,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:36,730 INFO L85 PathProgramCache]: Analyzing trace with hash -521983830, now seen corresponding path program 1 times [2024-11-08 17:46:36,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:36,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655874832] [2024-11-08 17:46:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:36,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-08 17:46:36,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:36,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655874832] [2024-11-08 17:46:36,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655874832] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:46:36,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69240656] [2024-11-08 17:46:36,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:36,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:46:36,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:46:36,958 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:46:36,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:46:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:37,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 17:46:37,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:46:37,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 695 proven. 45 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:46:37,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:46:37,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-08 17:46:37,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69240656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:46:37,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:46:37,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-08 17:46:37,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342565889] [2024-11-08 17:46:37,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:46:37,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:46:37,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:37,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:46:37,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:46:37,485 INFO L87 Difference]: Start difference. First operand 512 states and 688 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 6 states have call successors, (54), 3 states have call predecessors, (54), 5 states have return successors, (55), 6 states have call predecessors, (55), 6 states have call successors, (55) [2024-11-08 17:46:37,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:37,998 INFO L93 Difference]: Finished difference Result 1000 states and 1332 transitions. [2024-11-08 17:46:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:46:38,000 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 6 states have call successors, (54), 3 states have call predecessors, (54), 5 states have return successors, (55), 6 states have call predecessors, (55), 6 states have call successors, (55) Word has length 159 [2024-11-08 17:46:38,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:38,004 INFO L225 Difference]: With dead ends: 1000 [2024-11-08 17:46:38,004 INFO L226 Difference]: Without dead ends: 538 [2024-11-08 17:46:38,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:46:38,006 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 241 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:38,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 211 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:46:38,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-08 17:46:38,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 292. [2024-11-08 17:46:38,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 228 states have (on average 1.219298245614035) internal successors, (278), 230 states have internal predecessors, (278), 50 states have call successors, (50), 13 states have call predecessors, (50), 13 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 17:46:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 378 transitions. [2024-11-08 17:46:38,092 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 378 transitions. Word has length 159 [2024-11-08 17:46:38,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:38,092 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 378 transitions. [2024-11-08 17:46:38,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 6 states have call successors, (54), 3 states have call predecessors, (54), 5 states have return successors, (55), 6 states have call predecessors, (55), 6 states have call successors, (55) [2024-11-08 17:46:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 378 transitions. [2024-11-08 17:46:38,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 17:46:38,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:38,094 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:38,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 17:46:38,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 17:46:38,298 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:38,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:38,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1656927362, now seen corresponding path program 1 times [2024-11-08 17:46:38,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:38,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838331763] [2024-11-08 17:46:38,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:38,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:46:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:46:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:46:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:46:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:46:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:46:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:46:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:46:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:46:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:46:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:46:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:46:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:46:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:46:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:46:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:46:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:46:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:46:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:46:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:46:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:46:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:46:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:46:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:46:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-08 17:46:38,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:46:38,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838331763] [2024-11-08 17:46:38,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838331763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:38,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:38,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:46:38,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351635028] [2024-11-08 17:46:38,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:38,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:46:38,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:46:38,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:46:38,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:46:38,609 INFO L87 Difference]: Start difference. First operand 292 states and 378 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:38,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:38,948 INFO L93 Difference]: Finished difference Result 589 states and 760 transitions. [2024-11-08 17:46:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:46:38,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-08 17:46:38,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:38,952 INFO L225 Difference]: With dead ends: 589 [2024-11-08 17:46:38,952 INFO L226 Difference]: Without dead ends: 300 [2024-11-08 17:46:38,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:46:38,954 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 117 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:38,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 188 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:46:38,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-08 17:46:39,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 296. [2024-11-08 17:46:39,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 231 states have (on average 1.147186147186147) internal successors, (265), 233 states have internal predecessors, (265), 50 states have call successors, (50), 14 states have call predecessors, (50), 14 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 17:46:39,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 365 transitions. [2024-11-08 17:46:39,038 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 365 transitions. Word has length 160 [2024-11-08 17:46:39,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:39,040 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 365 transitions. [2024-11-08 17:46:39,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 365 transitions. [2024-11-08 17:46:39,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 17:46:39,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:39,042 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:39,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 17:46:39,043 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:39,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:39,043 INFO L85 PathProgramCache]: Analyzing trace with hash 2051233920, now seen corresponding path program 1 times [2024-11-08 17:46:39,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:46:39,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675248853] [2024-11-08 17:46:39,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:39,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:46:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:46:39,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389070882] [2024-11-08 17:46:39,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:39,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:46:39,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:46:39,085 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:46:39,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:46:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:46:39,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:46:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:46:39,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:46:39,340 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:46:39,341 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:46:39,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 17:46:39,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:46:39,552 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:46:39,651 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:46:39,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:46:39 BoogieIcfgContainer [2024-11-08 17:46:39,655 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:46:39,655 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:46:39,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:46:39,655 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:46:39,656 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:45:59" (3/4) ... [2024-11-08 17:46:39,659 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:46:39,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:46:39,660 INFO L158 Benchmark]: Toolchain (without parser) took 41305.69ms. Allocated memory was 123.7MB in the beginning and 574.6MB in the end (delta: 450.9MB). Free memory was 87.6MB in the beginning and 347.7MB in the end (delta: -260.1MB). Peak memory consumption was 191.5MB. Max. memory is 16.1GB. [2024-11-08 17:46:39,661 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:46:39,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.40ms. Allocated memory is still 123.7MB. Free memory was 87.2MB in the beginning and 72.5MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:46:39,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.55ms. Allocated memory is still 123.7MB. Free memory was 72.5MB in the beginning and 69.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:46:39,662 INFO L158 Benchmark]: Boogie Preprocessor took 48.49ms. Allocated memory is still 123.7MB. Free memory was 69.7MB in the beginning and 65.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:46:39,662 INFO L158 Benchmark]: RCFGBuilder took 688.82ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 65.9MB in the beginning and 108.8MB in the end (delta: -42.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-08 17:46:39,662 INFO L158 Benchmark]: TraceAbstraction took 40148.32ms. Allocated memory was 153.1MB in the beginning and 574.6MB in the end (delta: 421.5MB). Free memory was 107.8MB in the beginning and 348.7MB in the end (delta: -240.9MB). Peak memory consumption was 181.5MB. Max. memory is 16.1GB. [2024-11-08 17:46:39,663 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 574.6MB. Free memory was 348.7MB in the beginning and 347.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:46:39,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.40ms. Allocated memory is still 123.7MB. Free memory was 87.2MB in the beginning and 72.5MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.55ms. Allocated memory is still 123.7MB. Free memory was 72.5MB in the beginning and 69.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.49ms. Allocated memory is still 123.7MB. Free memory was 69.7MB in the beginning and 65.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 688.82ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 65.9MB in the beginning and 108.8MB in the end (delta: -42.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 40148.32ms. Allocated memory was 153.1MB in the beginning and 574.6MB in the end (delta: 421.5MB). Free memory was 107.8MB in the beginning and 348.7MB in the end (delta: -240.9MB). Peak memory consumption was 181.5MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 574.6MB. Free memory was 348.7MB in the beginning and 347.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 112, overapproximation of bitwiseOr at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] signed long int var_1_2 = 4; [L24] signed long int var_1_3 = 64; [L25] signed long int var_1_4 = 64; [L26] signed long int var_1_5 = 0; [L27] signed short int var_1_7 = 10000; [L28] signed short int var_1_8 = 1; [L29] signed short int var_1_9 = 50; [L30] signed short int var_1_10 = 8; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 100; [L33] unsigned short int var_1_15 = 128; [L34] unsigned short int var_1_16 = 23647; [L35] unsigned short int var_1_17 = 32; [L36] signed char var_1_18 = 0; [L37] signed char var_1_19 = -50; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; VAL [isInitial=0, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=4, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L116] isInitial = 1 [L117] FCALL initially() [L118] COND TRUE 1 [L119] FCALL updateLastVariables() [L120] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L73] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L74] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L74] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L75] var_1_3 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L76] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L77] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L77] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L78] var_1_4 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L79] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L80] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L80] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L81] var_1_5 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L82] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L83] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L83] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L84] var_1_7 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_7 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L85] RET assume_abort_if_not(var_1_7 >= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L86] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L86] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L87] var_1_8 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L88] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L89] CALL assume_abort_if_not(var_1_8 <= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L89] RET assume_abort_if_not(var_1_8 <= 8192) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L90] var_1_9 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L91] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_9 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L92] RET assume_abort_if_not(var_1_9 <= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L93] var_1_10 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L94] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L95] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L96] var_1_14 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L97] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L98] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L98] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L99] var_1_16 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L100] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L101] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L102] var_1_19 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L103] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L104] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L105] var_1_21 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=3, var_1_1=64, var_1_20=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=3, var_1_1=64, var_1_20=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L106] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=3, var_1_1=64, var_1_20=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L107] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L120] RET updateVariables() [L121] CALL step() [L43] var_1_18 = var_1_19 [L44] var_1_20 = var_1_21 [L45] signed char stepLocal_1 = var_1_18; [L46] signed long int stepLocal_0 = var_1_9 / var_1_7; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=3, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L47] EXPR var_1_8 << var_1_10 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=3, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L47] COND FALSE !(stepLocal_1 > (var_1_8 << var_1_10)) [L54] EXPR var_1_7 ^ var_1_18 VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L54] signed long int stepLocal_2 = var_1_7 ^ var_1_18; [L55] COND TRUE var_1_14 >= stepLocal_2 [L56] var_1_15 = (var_1_14 + (var_1_16 - var_1_13)) VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=32, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L58] COND TRUE var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5)))) VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=32, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L59] COND FALSE !(\read(var_1_20)) VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=32, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L69] var_1_17 = var_1_1 VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L121] RET step() [L122] CALL, EXPR property() [L112] EXPR ((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L112] EXPR var_1_8 << var_1_10 VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L112] EXPR ((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L112] EXPR (((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L112-L113] return ((((((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1)) && (var_1_17 == ((unsigned short int) var_1_1))) && (var_1_18 == ((signed char) var_1_19))) && (var_1_20 == ((unsigned char) var_1_21)) ; [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=3, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.0s, OverallIterations: 19, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2932 SdHoareTripleChecker+Valid, 9.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2894 mSDsluCounter, 11371 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8905 mSDsCounter, 602 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7645 IncrementalHoareTripleChecker+Invalid, 8247 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 602 mSolverCounterUnsat, 2466 mSDtfsCounter, 7645 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2378 GetRequests, 2169 SyntacticMatches, 1 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=620occurred in iteration=11, InterpolantAutomatonStates: 173, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 1802 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 22.2s InterpolantComputationTime, 3771 NumberOfCodeBlocks, 3771 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 4057 ConstructedInterpolants, 0 QuantifiedInterpolants, 12376 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1394 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 26 InterpolantComputations, 14 PerfectInterpolantSequences, 28182/28704 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:46:39,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/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_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/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 459832ff19f29163e11bbddd7ad07903a7d5846182a7bd0f1d9d1891c3a83882 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:46:42,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:46:42,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:46:42,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:46:42,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:46:42,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:46:42,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:46:42,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:46:42,276 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:46:42,276 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:46:42,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:46:42,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:46:42,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:46:42,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:46:42,283 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:46:42,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:46:42,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:46:42,284 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:46:42,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:46:42,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:46:42,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:46:42,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:46:42,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:46:42,288 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:46:42,288 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:46:42,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:46:42,290 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:46:42,291 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:46:42,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:46:42,292 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:46:42,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:46:42,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:46:42,294 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:46:42,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:46:42,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:46:42,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:46:42,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:46:42,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:46:42,297 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:46:42,298 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:46:42,298 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:46:42,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:46:42,299 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:46:42,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:46:42,299 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_33f44062-c075-41e5-83dc-ce6e3f2b072d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 459832ff19f29163e11bbddd7ad07903a7d5846182a7bd0f1d9d1891c3a83882 [2024-11-08 17:46:42,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:46:42,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:46:42,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:46:42,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:46:42,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:46:42,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i Unable to find full path for "g++" [2024-11-08 17:46:45,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:46:45,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:46:45,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i [2024-11-08 17:46:45,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/data/870713641/96b1b166b4b34398868112fa7ca95dbd/FLAG00757e102 [2024-11-08 17:46:45,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/data/870713641/96b1b166b4b34398868112fa7ca95dbd [2024-11-08 17:46:45,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:46:45,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:46:45,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:46:45,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:46:45,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:46:45,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:46:45" (1/1) ... [2024-11-08 17:46:45,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab4c461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:45, skipping insertion in model container [2024-11-08 17:46:45,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:46:45" (1/1) ... [2024-11-08 17:46:45,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:46:45,898 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_33f44062-c075-41e5-83dc-ce6e3f2b072d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i[916,929] [2024-11-08 17:46:45,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:46:45,971 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:46:45,984 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_33f44062-c075-41e5-83dc-ce6e3f2b072d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i[916,929] [2024-11-08 17:46:46,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:46:46,039 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:46:46,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46 WrapperNode [2024-11-08 17:46:46,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:46:46,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:46:46,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:46:46,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:46:46,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (1/1) ... [2024-11-08 17:46:46,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (1/1) ... [2024-11-08 17:46:46,096 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-11-08 17:46:46,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:46:46,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:46:46,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:46:46,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:46:46,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (1/1) ... [2024-11-08 17:46:46,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (1/1) ... [2024-11-08 17:46:46,126 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (1/1) ... [2024-11-08 17:46:46,154 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 17:46:46,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (1/1) ... [2024-11-08 17:46:46,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (1/1) ... [2024-11-08 17:46:46,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (1/1) ... [2024-11-08 17:46:46,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (1/1) ... [2024-11-08 17:46:46,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (1/1) ... [2024-11-08 17:46:46,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (1/1) ... [2024-11-08 17:46:46,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:46:46,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:46:46,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:46:46,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:46:46,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (1/1) ... [2024-11-08 17:46:46,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:46:46,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:46:46,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:46:46,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:46:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:46:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:46:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:46:46,277 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:46:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:46:46,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:46:46,407 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:46:46,414 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:46:46,734 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 17:46:46,735 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:46:46,748 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:46:46,749 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:46:46,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:46:46 BoogieIcfgContainer [2024-11-08 17:46:46,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:46:46,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:46:46,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:46:46,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:46:46,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:46:45" (1/3) ... [2024-11-08 17:46:46,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b286262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:46:46, skipping insertion in model container [2024-11-08 17:46:46,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:46" (2/3) ... [2024-11-08 17:46:46,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b286262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:46:46, skipping insertion in model container [2024-11-08 17:46:46,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:46:46" (3/3) ... [2024-11-08 17:46:46,759 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-43.i [2024-11-08 17:46:46,780 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:46:46,780 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:46:46,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:46:46,853 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;@7a644349, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:46:46,853 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:46:46,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 17:46:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 17:46:46,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:46,873 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:46,874 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:46,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:46,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1824839410, now seen corresponding path program 1 times [2024-11-08 17:46:46,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:46:46,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [15124168] [2024-11-08 17:46:46,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:46,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:46:46,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:46:46,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:46:46,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:46:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:47,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:46:47,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:46:47,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-11-08 17:46:47,222 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:46:47,223 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:46:47,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15124168] [2024-11-08 17:46:47,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15124168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:47,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:47,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:46:47,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419169054] [2024-11-08 17:46:47,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:47,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:46:47,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:46:47,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:46:47,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:46:47,274 INFO L87 Difference]: Start difference. First operand has 63 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-08 17:46:47,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:47,308 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2024-11-08 17:46:47,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:46:47,311 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 147 [2024-11-08 17:46:47,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:47,318 INFO L225 Difference]: With dead ends: 119 [2024-11-08 17:46:47,318 INFO L226 Difference]: Without dead ends: 59 [2024-11-08 17:46:47,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 17:46:47,325 INFO L432 NwaCegarLoop]: 88 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, 88 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 17:46:47,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:46:47,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-08 17:46:47,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-08 17:46:47,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 17:46:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 88 transitions. [2024-11-08 17:46:47,390 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 88 transitions. Word has length 147 [2024-11-08 17:46:47,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:47,393 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 88 transitions. [2024-11-08 17:46:47,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-08 17:46:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2024-11-08 17:46:47,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 17:46:47,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:47,401 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:47,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 17:46:47,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:46:47,602 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:47,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:47,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1274992910, now seen corresponding path program 1 times [2024-11-08 17:46:47,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:46:47,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [661167976] [2024-11-08 17:46:47,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:47,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:46:47,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:46:47,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:46:47,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:46:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:47,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:46:47,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:46:47,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-08 17:46:47,983 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:46:47,984 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:46:47,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661167976] [2024-11-08 17:46:47,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661167976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:46:47,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:46:47,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:46:47,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420482327] [2024-11-08 17:46:47,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:47,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:46:47,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:46:47,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:46:47,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:46:47,991 INFO L87 Difference]: Start difference. First operand 59 states and 88 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:48,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:48,570 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2024-11-08 17:46:48,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:46:48,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 147 [2024-11-08 17:46:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:48,576 INFO L225 Difference]: With dead ends: 123 [2024-11-08 17:46:48,576 INFO L226 Difference]: Without dead ends: 67 [2024-11-08 17:46:48,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:46:48,582 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 81 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:48,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 120 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:46:48,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-08 17:46:48,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2024-11-08 17:46:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 17:46:48,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 89 transitions. [2024-11-08 17:46:48,612 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 89 transitions. Word has length 147 [2024-11-08 17:46:48,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:48,612 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 89 transitions. [2024-11-08 17:46:48,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:46:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2024-11-08 17:46:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 17:46:48,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:48,615 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:46:48,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:46:48,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:46:48,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:48,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:48,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1332251212, now seen corresponding path program 1 times [2024-11-08 17:46:48,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:46:48,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1972348053] [2024-11-08 17:46:48,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:48,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:46:48,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:46:48,822 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:46:48,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:46:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:48,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 17:46:49,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:43,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 516 proven. 174 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-08 17:47:43,158 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:52:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:52:33,556 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:52:33,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972348053] [2024-11-08 17:52:33,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972348053] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:52:33,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:52:33,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [20] total 29 [2024-11-08 17:52:33,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305461173] [2024-11-08 17:52:33,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:33,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:52:33,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:52:33,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:52:33,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=663, Unknown=0, NotChecked=0, Total=812 [2024-11-08 17:52:33,561 INFO L87 Difference]: Start difference. First operand 63 states and 89 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:52:37,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:37,627 INFO L93 Difference]: Finished difference Result 144 states and 195 transitions. [2024-11-08 17:52:37,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:52:37,628 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 147 [2024-11-08 17:52:37,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:37,632 INFO L225 Difference]: With dead ends: 144 [2024-11-08 17:52:37,632 INFO L226 Difference]: Without dead ends: 142 [2024-11-08 17:52:37,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=214, Invalid=1046, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 17:52:37,634 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 111 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:37,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 499 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 17:52:37,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-08 17:52:37,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 96. [2024-11-08 17:52:37,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 60 states have (on average 1.15) internal successors, (69), 61 states have internal predecessors, (69), 32 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 17:52:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 133 transitions. [2024-11-08 17:52:37,686 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 133 transitions. Word has length 147 [2024-11-08 17:52:37,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:37,689 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 133 transitions. [2024-11-08 17:52:37,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:52:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 133 transitions. [2024-11-08 17:52:37,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 17:52:37,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:37,696 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:37,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 17:52:37,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:52:37,897 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:37,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:37,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1701844148, now seen corresponding path program 1 times [2024-11-08 17:52:37,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:52:37,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [754300164] [2024-11-08 17:52:37,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:37,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:52:37,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:52:37,903 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:52:37,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:52:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:38,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 17:52:38,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:53:46,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 516 proven. 174 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-08 17:53:46,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:58:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 17:58:18,253 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:58:18,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754300164] [2024-11-08 17:58:18,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754300164] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:58:18,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:58:18,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [20] total 29 [2024-11-08 17:58:18,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15294947] [2024-11-08 17:58:18,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:58:18,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:58:18,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:58:18,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:58:18,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2024-11-08 17:58:18,258 INFO L87 Difference]: Start difference. First operand 96 states and 133 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:58:23,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:58:23,926 INFO L93 Difference]: Finished difference Result 142 states and 193 transitions. [2024-11-08 17:58:23,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 17:58:23,928 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 147 [2024-11-08 17:58:23,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:58:23,930 INFO L225 Difference]: With dead ends: 142 [2024-11-08 17:58:23,931 INFO L226 Difference]: Without dead ends: 140 [2024-11-08 17:58:23,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=245, Invalid=1237, Unknown=0, NotChecked=0, Total=1482 [2024-11-08 17:58:23,935 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 105 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:58:23,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 552 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 17:58:23,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-08 17:58:23,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 97. [2024-11-08 17:58:23,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 61 states have (on average 1.1475409836065573) internal successors, (70), 62 states have internal predecessors, (70), 32 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 17:58:23,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 134 transitions. [2024-11-08 17:58:23,974 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 134 transitions. Word has length 147 [2024-11-08 17:58:23,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:58:23,975 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 134 transitions. [2024-11-08 17:58:23,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 17:58:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 134 transitions. [2024-11-08 17:58:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 17:58:23,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:58:23,982 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:58:24,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 17:58:24,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:58:24,183 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:58:24,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:58:24,184 INFO L85 PathProgramCache]: Analyzing trace with hash 522904586, now seen corresponding path program 1 times [2024-11-08 17:58:24,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:58:24,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2016086867] [2024-11-08 17:58:24,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:58:24,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:58:24,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:58:24,186 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:58:24,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f44062-c075-41e5-83dc-ce6e3f2b072d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:58:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:24,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 17:58:24,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:59:40,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 144 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2024-11-08 17:59:40,112 INFO L311 TraceCheckSpWp]: Computing backward predicates...