./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-85.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_deb12264-a35a-4a78-b13c-1acbad2968cc/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb12264-a35a-4a78-b13c-1acbad2968cc/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_deb12264-a35a-4a78-b13c-1acbad2968cc/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb12264-a35a-4a78-b13c-1acbad2968cc/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb12264-a35a-4a78-b13c-1acbad2968cc/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_deb12264-a35a-4a78-b13c-1acbad2968cc/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 adaaa37c405e7d679e050e08a9505edbe41bf89f875de14489d406f30fd12a14 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:37:10,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:37:10,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb12264-a35a-4a78-b13c-1acbad2968cc/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:37:10,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:37:10,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:37:10,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:37:10,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:37:10,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:37:10,610 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:37:10,610 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:37:10,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:37:10,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:37:10,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:37:10,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:37:10,613 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:37:10,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:37:10,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:37:10,615 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:37:10,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:37:10,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:37:10,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:37:10,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:37:10,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:37:10,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:37:10,622 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:37:10,622 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:37:10,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:37:10,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:37:10,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:37:10,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:37:10,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:37:10,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:37:10,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:37:10,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:37:10,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:37:10,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:37:10,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:37:10,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:37:10,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:37:10,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:37:10,662 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:37:10,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:37:10,663 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_deb12264-a35a-4a78-b13c-1acbad2968cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb12264-a35a-4a78-b13c-1acbad2968cc/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adaaa37c405e7d679e050e08a9505edbe41bf89f875de14489d406f30fd12a14 [2024-11-08 17:37:11,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:37:11,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:37:11,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:37:11,147 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:37:11,148 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:37:11,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb12264-a35a-4a78-b13c-1acbad2968cc/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-85.i Unable to find full path for "g++" [2024-11-08 17:37:13,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:37:13,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:37:13,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb12264-a35a-4a78-b13c-1acbad2968cc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-85.i [2024-11-08 17:37:13,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb12264-a35a-4a78-b13c-1acbad2968cc/bin/uautomizer-verify-jihMAELWvX/data/4d4ea465e/13d421cd572a46079180c5ec672c3284/FLAGfc1ddb9c6 [2024-11-08 17:37:13,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb12264-a35a-4a78-b13c-1acbad2968cc/bin/uautomizer-verify-jihMAELWvX/data/4d4ea465e/13d421cd572a46079180c5ec672c3284 [2024-11-08 17:37:13,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:37:13,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:37:13,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:37:13,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:37:13,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:37:13,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:37:13" (1/1) ... [2024-11-08 17:37:13,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@537f6ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:13, skipping insertion in model container [2024-11-08 17:37:13,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:37:13" (1/1) ... [2024-11-08 17:37:14,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:37:14,320 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_deb12264-a35a-4a78-b13c-1acbad2968cc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-85.i[917,930] [2024-11-08 17:37:14,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:37:14,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:37:14,431 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_deb12264-a35a-4a78-b13c-1acbad2968cc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-85.i[917,930] [2024-11-08 17:37:14,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:37:14,498 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:37:14,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14 WrapperNode [2024-11-08 17:37:14,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:37:14,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:37:14,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:37:14,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:37:14,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (1/1) ... [2024-11-08 17:37:14,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (1/1) ... [2024-11-08 17:37:14,585 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-08 17:37:14,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:37:14,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:37:14,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:37:14,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:37:14,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (1/1) ... [2024-11-08 17:37:14,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (1/1) ... [2024-11-08 17:37:14,608 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (1/1) ... [2024-11-08 17:37:14,645 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 17:37:14,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (1/1) ... [2024-11-08 17:37:14,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (1/1) ... [2024-11-08 17:37:14,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (1/1) ... [2024-11-08 17:37:14,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (1/1) ... [2024-11-08 17:37:14,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (1/1) ... [2024-11-08 17:37:14,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (1/1) ... [2024-11-08 17:37:14,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:37:14,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:37:14,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:37:14,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:37:14,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (1/1) ... [2024-11-08 17:37:14,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:37:14,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb12264-a35a-4a78-b13c-1acbad2968cc/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:37:14,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb12264-a35a-4a78-b13c-1acbad2968cc/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:37:14,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb12264-a35a-4a78-b13c-1acbad2968cc/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:37:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:37:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:37:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:37:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:37:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:37:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:37:14,955 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:37:14,960 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:37:15,422 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 17:37:15,422 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:37:15,439 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:37:15,440 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:37:15,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:37:15 BoogieIcfgContainer [2024-11-08 17:37:15,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:37:15,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:37:15,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:37:15,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:37:15,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:37:13" (1/3) ... [2024-11-08 17:37:15,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fdd87af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:37:15, skipping insertion in model container [2024-11-08 17:37:15,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:14" (2/3) ... [2024-11-08 17:37:15,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fdd87af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:37:15, skipping insertion in model container [2024-11-08 17:37:15,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:37:15" (3/3) ... [2024-11-08 17:37:15,454 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-85.i [2024-11-08 17:37:15,477 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:37:15,478 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:37:15,567 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:37:15,576 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;@45c7e50f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:37:15,577 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:37:15,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-08 17:37:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:37:15,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:15,603 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:15,604 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:15,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:15,612 INFO L85 PathProgramCache]: Analyzing trace with hash -641225943, now seen corresponding path program 1 times [2024-11-08 17:37:15,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:37:15,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610795009] [2024-11-08 17:37:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:15,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:37:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:37:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:37:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:37:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:37:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:37:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:37:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:37:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:37:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:37:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:37:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:37:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:37:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:37:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:37:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:37:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:37:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:37:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:37:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:37:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:37:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:37:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:37:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:37:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:37:16,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:37:16,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610795009] [2024-11-08 17:37:16,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610795009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:37:16,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:37:16,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:37:16,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129954154] [2024-11-08 17:37:16,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:37:16,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:37:16,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:37:16,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:37:16,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:37:16,342 INFO L87 Difference]: Start difference. First operand has 59 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 17:37:16,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:37:16,393 INFO L93 Difference]: Finished difference Result 111 states and 195 transitions. [2024-11-08 17:37:16,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:37:16,396 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2024-11-08 17:37:16,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:37:16,406 INFO L225 Difference]: With dead ends: 111 [2024-11-08 17:37:16,406 INFO L226 Difference]: Without dead ends: 55 [2024-11-08 17:37:16,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:37:16,416 INFO L432 NwaCegarLoop]: 82 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, 82 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 17:37:16,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:37:16,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-08 17:37:16,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-08 17:37:16,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-08 17:37:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 82 transitions. [2024-11-08 17:37:16,485 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 82 transitions. Word has length 139 [2024-11-08 17:37:16,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:37:16,486 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 82 transitions. [2024-11-08 17:37:16,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-08 17:37:16,487 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2024-11-08 17:37:16,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:37:16,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:16,492 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:16,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:37:16,493 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:16,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:16,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1955885273, now seen corresponding path program 1 times [2024-11-08 17:37:16,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:37:16,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737528905] [2024-11-08 17:37:16,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:16,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:37:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:37:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:37:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:37:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:37:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:37:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:37:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:37:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:37:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:37:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:37:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:37:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:37:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:37:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:37:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:37:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:37:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:37:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:37:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:37:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:37:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:37:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:37:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:37:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:28,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:37:28,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:37:28,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737528905] [2024-11-08 17:37:28,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737528905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:37:28,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:37:28,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:37:28,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283677811] [2024-11-08 17:37:28,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:37:28,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:37:28,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:37:28,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:37:28,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:37:28,731 INFO L87 Difference]: Start difference. First operand 55 states and 82 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:37:31,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:37:31,375 INFO L93 Difference]: Finished difference Result 103 states and 138 transitions. [2024-11-08 17:37:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:37:31,376 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-11-08 17:37:31,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:37:31,379 INFO L225 Difference]: With dead ends: 103 [2024-11-08 17:37:31,379 INFO L226 Difference]: Without dead ends: 101 [2024-11-08 17:37:31,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:37:31,381 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 81 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:37:31,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 385 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 17:37:31,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-08 17:37:31,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 69. [2024-11-08 17:37:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 42 states have internal predecessors, (49), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:37:31,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 99 transitions. [2024-11-08 17:37:31,404 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 99 transitions. Word has length 139 [2024-11-08 17:37:31,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:37:31,405 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 99 transitions. [2024-11-08 17:37:31,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:37:31,405 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2024-11-08 17:37:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:37:31,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:31,408 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:31,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:37:31,409 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:31,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:31,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1529735397, now seen corresponding path program 1 times [2024-11-08 17:37:31,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:37:31,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003703414] [2024-11-08 17:37:31,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:31,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:37:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:37:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:37:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:37:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:37:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:37:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:37:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:37:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:37:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:37:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:37:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:37:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:37:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:37:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:37:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:37:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:37:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:37:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:37:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:37:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:37:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:37:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:37:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:37:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:37:39,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:37:39,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003703414] [2024-11-08 17:37:39,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003703414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:37:39,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:37:39,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:37:39,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837871443] [2024-11-08 17:37:39,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:37:39,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:37:39,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:37:39,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:37:39,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:37:39,404 INFO L87 Difference]: Start difference. First operand 69 states and 99 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:37:42,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:37:42,633 INFO L93 Difference]: Finished difference Result 108 states and 144 transitions. [2024-11-08 17:37:42,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:37:42,634 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-11-08 17:37:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:37:42,636 INFO L225 Difference]: With dead ends: 108 [2024-11-08 17:37:42,636 INFO L226 Difference]: Without dead ends: 106 [2024-11-08 17:37:42,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:37:42,638 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 63 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:37:42,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 447 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 17:37:42,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-08 17:37:42,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 67. [2024-11-08 17:37:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 40 states have internal predecessors, (46), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:37:42,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 96 transitions. [2024-11-08 17:37:42,659 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 96 transitions. Word has length 139 [2024-11-08 17:37:42,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:37:42,660 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 96 transitions. [2024-11-08 17:37:42,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:37:42,661 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2024-11-08 17:37:42,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:37:42,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:42,664 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:42,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:37:42,664 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:42,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:42,669 INFO L85 PathProgramCache]: Analyzing trace with hash -449399541, now seen corresponding path program 1 times [2024-11-08 17:37:42,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:37:42,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572543082] [2024-11-08 17:37:42,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:42,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:37:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:37:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:37:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:37:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:37:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:37:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:37:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:37:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:37:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:37:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:37:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:37:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:37:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:37:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:37:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:37:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:37:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:37:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:37:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:37:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:37:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:37:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:37:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:37:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:37:51,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:37:51,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572543082] [2024-11-08 17:37:51,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572543082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:37:51,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:37:51,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 17:37:51,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044889772] [2024-11-08 17:37:51,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:37:51,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:37:51,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:37:51,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:37:51,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:37:51,135 INFO L87 Difference]: Start difference. First operand 67 states and 96 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:37:54,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:37:54,955 INFO L93 Difference]: Finished difference Result 117 states and 153 transitions. [2024-11-08 17:37:54,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:37:54,956 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-08 17:37:54,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:37:54,959 INFO L225 Difference]: With dead ends: 117 [2024-11-08 17:37:54,959 INFO L226 Difference]: Without dead ends: 115 [2024-11-08 17:37:54,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:37:54,962 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 78 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:37:54,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 503 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 17:37:54,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-08 17:37:54,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 71. [2024-11-08 17:37:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 44 states have internal predecessors, (53), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:37:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 103 transitions. [2024-11-08 17:37:54,987 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 103 transitions. Word has length 140 [2024-11-08 17:37:54,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:37:54,988 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 103 transitions. [2024-11-08 17:37:54,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:37:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2024-11-08 17:37:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:37:54,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:54,992 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:54,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:37:54,993 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:54,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:54,994 INFO L85 PathProgramCache]: Analyzing trace with hash -447552499, now seen corresponding path program 1 times [2024-11-08 17:37:54,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:37:54,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444042335] [2024-11-08 17:37:54,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:54,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:37:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:37:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:37:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:37:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:37:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:37:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:37:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:37:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:37:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:37:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:37:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:37:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:37:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:37:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:37:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:37:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:37:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:37:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:37:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:37:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:37:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:37:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:37:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:37:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:37:59,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:37:59,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444042335] [2024-11-08 17:37:59,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444042335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:37:59,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:37:59,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:37:59,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974927504] [2024-11-08 17:37:59,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:37:59,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:37:59,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:37:59,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:37:59,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:37:59,293 INFO L87 Difference]: Start difference. First operand 71 states and 103 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:37:59,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:37:59,937 INFO L93 Difference]: Finished difference Result 126 states and 164 transitions. [2024-11-08 17:37:59,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:37:59,938 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-08 17:37:59,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:37:59,940 INFO L225 Difference]: With dead ends: 126 [2024-11-08 17:37:59,940 INFO L226 Difference]: Without dead ends: 124 [2024-11-08 17:37:59,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:37:59,942 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 74 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:37:59,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 430 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:37:59,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-08 17:37:59,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 74. [2024-11-08 17:37:59,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 47 states have internal predecessors, (59), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:37:59,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 109 transitions. [2024-11-08 17:37:59,962 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 109 transitions. Word has length 140 [2024-11-08 17:37:59,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:37:59,963 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 109 transitions. [2024-11-08 17:37:59,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:37:59,964 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2024-11-08 17:37:59,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:37:59,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:59,966 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:59,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:37:59,966 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:59,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:59,967 INFO L85 PathProgramCache]: Analyzing trace with hash 778225639, now seen corresponding path program 1 times [2024-11-08 17:37:59,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:37:59,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860558906] [2024-11-08 17:37:59,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:59,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:38:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:38:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:38:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:38:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:38:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:38:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:38:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:38:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:38:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:38:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:38:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:38:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:38:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:38:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:38:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:38:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:38:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:38:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:38:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:38:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:38:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:38:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:38:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:08,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:38:08,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:08,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860558906] [2024-11-08 17:38:08,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860558906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:08,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:08,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 17:38:08,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961597377] [2024-11-08 17:38:08,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:08,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:38:08,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:08,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:38:08,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:38:08,177 INFO L87 Difference]: Start difference. First operand 74 states and 109 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:38:10,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:10,024 INFO L93 Difference]: Finished difference Result 185 states and 258 transitions. [2024-11-08 17:38:10,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:38:10,025 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-08 17:38:10,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:10,029 INFO L225 Difference]: With dead ends: 185 [2024-11-08 17:38:10,029 INFO L226 Difference]: Without dead ends: 118 [2024-11-08 17:38:10,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:38:10,032 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 93 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:10,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 313 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 17:38:10,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-08 17:38:10,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 103. [2024-11-08 17:38:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 70 states have internal predecessors, (84), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-08 17:38:10,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 142 transitions. [2024-11-08 17:38:10,085 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 142 transitions. Word has length 140 [2024-11-08 17:38:10,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:10,085 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 142 transitions. [2024-11-08 17:38:10,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:38:10,086 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 142 transitions. [2024-11-08 17:38:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:38:10,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:10,088 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:10,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:38:10,089 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:10,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:10,089 INFO L85 PathProgramCache]: Analyzing trace with hash 720967337, now seen corresponding path program 1 times [2024-11-08 17:38:10,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:10,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947627606] [2024-11-08 17:38:10,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:10,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:38:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:38:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:38:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:38:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:38:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:38:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:38:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:38:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:38:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:38:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:38:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:38:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:38:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:20,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:38:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:38:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:20,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:38:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:20,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:38:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:20,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:38:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:20,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:38:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:20,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:38:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:20,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:38:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:20,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:38:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:20,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:38:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:38:20,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:20,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947627606] [2024-11-08 17:38:20,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947627606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:20,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:20,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 17:38:20,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545890448] [2024-11-08 17:38:20,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:20,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:38:20,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:20,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:38:20,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:38:20,031 INFO L87 Difference]: Start difference. First operand 103 states and 142 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:38:23,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:23,693 INFO L93 Difference]: Finished difference Result 173 states and 221 transitions. [2024-11-08 17:38:23,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:38:23,694 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-08 17:38:23,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:23,696 INFO L225 Difference]: With dead ends: 173 [2024-11-08 17:38:23,696 INFO L226 Difference]: Without dead ends: 171 [2024-11-08 17:38:23,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:38:23,697 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 122 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:23,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 422 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 17:38:23,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-08 17:38:23,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 96. [2024-11-08 17:38:23,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 60 states have internal predecessors, (72), 31 states have call successors, (31), 5 states have call predecessors, (31), 5 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 17:38:23,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 134 transitions. [2024-11-08 17:38:23,733 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 134 transitions. Word has length 140 [2024-11-08 17:38:23,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:23,733 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 134 transitions. [2024-11-08 17:38:23,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:38:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2024-11-08 17:38:23,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:38:23,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:23,737 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:23,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:38:23,737 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:23,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:23,738 INFO L85 PathProgramCache]: Analyzing trace with hash 230658829, now seen corresponding path program 1 times [2024-11-08 17:38:23,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:23,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068553076] [2024-11-08 17:38:23,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:23,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:38:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:38:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:38:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:38:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:38:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:38:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:38:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:38:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:38:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:38:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:38:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:38:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:38:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:38:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:38:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:38:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:38:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:38:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:38:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:38:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:38:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:38:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:38:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:38:31,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:31,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068553076] [2024-11-08 17:38:31,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068553076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:31,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:31,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 17:38:31,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785442451] [2024-11-08 17:38:31,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:31,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:38:31,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:31,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:38:31,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:38:31,620 INFO L87 Difference]: Start difference. First operand 96 states and 134 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:38:34,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:34,296 INFO L93 Difference]: Finished difference Result 142 states and 181 transitions. [2024-11-08 17:38:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:38:34,297 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-08 17:38:34,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:34,299 INFO L225 Difference]: With dead ends: 142 [2024-11-08 17:38:34,299 INFO L226 Difference]: Without dead ends: 140 [2024-11-08 17:38:34,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:38:34,300 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 88 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:34,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 317 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:38:34,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-08 17:38:34,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 101. [2024-11-08 17:38:34,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 64 states have internal predecessors, (77), 31 states have call successors, (31), 6 states have call predecessors, (31), 6 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 17:38:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 139 transitions. [2024-11-08 17:38:34,333 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 139 transitions. Word has length 140 [2024-11-08 17:38:34,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:34,334 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 139 transitions. [2024-11-08 17:38:34,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:38:34,335 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 139 transitions. [2024-11-08 17:38:34,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:38:34,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:34,336 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:34,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:38:34,336 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:34,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:34,337 INFO L85 PathProgramCache]: Analyzing trace with hash 232505871, now seen corresponding path program 1 times [2024-11-08 17:38:34,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:34,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047551817] [2024-11-08 17:38:34,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:34,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:38:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:38:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:38:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:38:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:38:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:38:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:38:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:38:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:38:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:38:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:38:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:38:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:38:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:38:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:38:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:38:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:38:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:38:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:38:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:38:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:38:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:38:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:38:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:38:38,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:38,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047551817] [2024-11-08 17:38:38,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047551817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:38,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:38,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:38:38,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911920413] [2024-11-08 17:38:38,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:38,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:38:38,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:38,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:38:38,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:38:38,080 INFO L87 Difference]: Start difference. First operand 101 states and 139 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:38:38,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:38,676 INFO L93 Difference]: Finished difference Result 152 states and 193 transitions. [2024-11-08 17:38:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:38:38,677 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-08 17:38:38,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:38,679 INFO L225 Difference]: With dead ends: 152 [2024-11-08 17:38:38,679 INFO L226 Difference]: Without dead ends: 150 [2024-11-08 17:38:38,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:38:38,680 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 75 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:38,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 433 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:38:38,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-08 17:38:38,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 98. [2024-11-08 17:38:38,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 60 states have (on average 1.1833333333333333) internal successors, (71), 61 states have internal predecessors, (71), 31 states have call successors, (31), 6 states have call predecessors, (31), 6 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 17:38:38,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 133 transitions. [2024-11-08 17:38:38,719 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 133 transitions. Word has length 140 [2024-11-08 17:38:38,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:38,723 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 133 transitions. [2024-11-08 17:38:38,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:38:38,724 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2024-11-08 17:38:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:38:38,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:38,725 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:38,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:38:38,725 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:38,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:38,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1458284009, now seen corresponding path program 1 times [2024-11-08 17:38:38,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:38,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526318982] [2024-11-08 17:38:38,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:38,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:38:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:38:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:38:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:38:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:38:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:38:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:38:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:38:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:38:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:38:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:38:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:38:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:38:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:38:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:38:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:38:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:38:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:38:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:38:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:38:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:38:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:38:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:38:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:44,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:38:44,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:44,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526318982] [2024-11-08 17:38:44,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526318982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:44,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:44,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 17:38:44,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454949881] [2024-11-08 17:38:44,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:44,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:38:44,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:44,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:38:44,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:38:44,487 INFO L87 Difference]: Start difference. First operand 98 states and 133 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:38:47,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:47,105 INFO L93 Difference]: Finished difference Result 213 states and 284 transitions. [2024-11-08 17:38:47,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:38:47,106 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-08 17:38:47,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:47,108 INFO L225 Difference]: With dead ends: 213 [2024-11-08 17:38:47,108 INFO L226 Difference]: Without dead ends: 139 [2024-11-08 17:38:47,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:38:47,109 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 79 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:47,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 469 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 17:38:47,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-08 17:38:47,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 98. [2024-11-08 17:38:47,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 60 states have (on average 1.1833333333333333) internal successors, (71), 61 states have internal predecessors, (71), 31 states have call successors, (31), 6 states have call predecessors, (31), 6 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 17:38:47,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 133 transitions. [2024-11-08 17:38:47,137 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 133 transitions. Word has length 140 [2024-11-08 17:38:47,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:47,138 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 133 transitions. [2024-11-08 17:38:47,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:38:47,138 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2024-11-08 17:38:47,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:38:47,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:47,139 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:47,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:38:47,139 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:47,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:47,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1401025707, now seen corresponding path program 1 times [2024-11-08 17:38:47,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:47,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52139261] [2024-11-08 17:38:47,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:47,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:38:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:38:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:38:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:38:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:38:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:38:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:38:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:38:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:38:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:38:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:38:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:38:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:38:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:38:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:38:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:38:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:38:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:38:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:38:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:38:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:38:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:38:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:38:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:38:54,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:54,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52139261] [2024-11-08 17:38:54,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52139261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:54,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:54,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 17:38:54,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581006047] [2024-11-08 17:38:54,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:54,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:38:54,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:54,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:38:54,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:38:54,825 INFO L87 Difference]: Start difference. First operand 98 states and 133 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:38:57,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:38:57,462 INFO L93 Difference]: Finished difference Result 140 states and 179 transitions. [2024-11-08 17:38:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:38:57,463 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-08 17:38:57,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:38:57,465 INFO L225 Difference]: With dead ends: 140 [2024-11-08 17:38:57,465 INFO L226 Difference]: Without dead ends: 138 [2024-11-08 17:38:57,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:38:57,466 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 69 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:38:57,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 487 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 17:38:57,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-08 17:38:57,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 94. [2024-11-08 17:38:57,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 57 states have internal predecessors, (64), 31 states have call successors, (31), 6 states have call predecessors, (31), 6 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 17:38:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 126 transitions. [2024-11-08 17:38:57,498 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 126 transitions. Word has length 140 [2024-11-08 17:38:57,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:38:57,498 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 126 transitions. [2024-11-08 17:38:57,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:38:57,499 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions. [2024-11-08 17:38:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 17:38:57,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:38:57,500 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:57,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:38:57,500 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:38:57,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:57,501 INFO L85 PathProgramCache]: Analyzing trace with hash 928652745, now seen corresponding path program 1 times [2024-11-08 17:38:57,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:57,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322693849] [2024-11-08 17:38:57,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:57,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:39:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:39:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:39:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:39:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:39:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:39:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:39:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:39:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:39:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:39:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:39:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:39:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:39:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:39:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:39:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:39:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:39:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:39:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:39:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:39:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:39:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:39:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:39:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:39:07,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:39:07,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322693849] [2024-11-08 17:39:07,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322693849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:39:07,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:39:07,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 17:39:07,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635413784] [2024-11-08 17:39:07,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:39:07,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:39:07,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:39:07,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:39:07,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:39:07,500 INFO L87 Difference]: Start difference. First operand 94 states and 126 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:39:13,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:39:13,265 INFO L93 Difference]: Finished difference Result 141 states and 180 transitions. [2024-11-08 17:39:13,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:39:13,265 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-08 17:39:13,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:39:13,267 INFO L225 Difference]: With dead ends: 141 [2024-11-08 17:39:13,267 INFO L226 Difference]: Without dead ends: 139 [2024-11-08 17:39:13,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:39:13,268 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 77 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:39:13,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 449 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 17:39:13,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-08 17:39:13,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 97. [2024-11-08 17:39:13,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 60 states have internal predecessors, (69), 31 states have call successors, (31), 6 states have call predecessors, (31), 6 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 17:39:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 131 transitions. [2024-11-08 17:39:13,301 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 131 transitions. Word has length 141 [2024-11-08 17:39:13,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:39:13,301 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 131 transitions. [2024-11-08 17:39:13,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:39:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 131 transitions. [2024-11-08 17:39:13,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 17:39:13,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:39:13,303 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:39:13,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:39:13,303 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:39:13,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:39:13,303 INFO L85 PathProgramCache]: Analyzing trace with hash 535625735, now seen corresponding path program 1 times [2024-11-08 17:39:13,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:39:13,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560638417] [2024-11-08 17:39:13,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:39:13,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:39:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:39:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:39:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:39:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:39:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:39:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:39:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:39:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:39:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:39:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:39:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:39:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:39:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:39:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:39:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:39:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:39:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:39:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:39:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:39:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:39:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:39:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:39:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:39:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:22,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-08 17:39:22,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:39:22,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560638417] [2024-11-08 17:39:22,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560638417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:39:22,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:39:22,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 17:39:22,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311642601] [2024-11-08 17:39:22,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:39:22,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:39:22,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:39:22,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:39:22,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:39:22,366 INFO L87 Difference]: Start difference. First operand 97 states and 131 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:39:26,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:39:26,519 INFO L93 Difference]: Finished difference Result 134 states and 171 transitions. [2024-11-08 17:39:26,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:39:26,520 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-08 17:39:26,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:39:26,521 INFO L225 Difference]: With dead ends: 134 [2024-11-08 17:39:26,521 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 17:39:26,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:39:26,522 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 75 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:39:26,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 485 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 17:39:26,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 17:39:26,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 17:39:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:39:26,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 17:39:26,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2024-11-08 17:39:26,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:39:26,524 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:39:26,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-08 17:39:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:39:26,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 17:39:26,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:39:26,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 17:39:26,532 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:39:26,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.