./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB --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 fc772c7bbac1de5fe64d64c143c1154d0fb749c01b6a27196c7210715a9fc32d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:10:45,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:10:45,756 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:10:45,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:10:45,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:10:45,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:10:45,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:10:45,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:10:45,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:10:45,811 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:10:45,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:10:45,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:10:45,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:10:45,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:10:45,813 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:10:45,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:10:45,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:10:45,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:10:45,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:10:45,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:10:45,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:10:45,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:10:45,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:10:45,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:10:45,816 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:10:45,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:10:45,816 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:10:45,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:10:45,816 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:10:45,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:10:45,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:10:45,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:10:45,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:10:45,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:10:45,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:10:45,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:10:45,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:10:45,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:10:45,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:10:45,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:10:45,819 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:10:45,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:10:45,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:10:45,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:10:45,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:10:45,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:10:45,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:10:45,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:10:45,820 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB 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 -> fc772c7bbac1de5fe64d64c143c1154d0fb749c01b6a27196c7210715a9fc32d [2024-11-27 20:10:46,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:10:46,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:10:46,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:10:46,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:10:46,187 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:10:46,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i [2024-11-27 20:10:49,297 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/data/26f4d2f86/580b1cf284ad4bac8832e6f7691b1454/FLAGc0e8b0bcd [2024-11-27 20:10:49,613 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:10:49,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i [2024-11-27 20:10:49,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/data/26f4d2f86/580b1cf284ad4bac8832e6f7691b1454/FLAGc0e8b0bcd [2024-11-27 20:10:49,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/data/26f4d2f86/580b1cf284ad4bac8832e6f7691b1454 [2024-11-27 20:10:49,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:10:49,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:10:49,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:10:49,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:10:49,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:10:49,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:10:49" (1/1) ... [2024-11-27 20:10:49,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29260e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:49, skipping insertion in model container [2024-11-27 20:10:49,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:10:49" (1/1) ... [2024-11-27 20:10:49,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:10:49,956 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_fdc1be7f-60bb-4d54-b02a-fff47eae497c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i[919,932] [2024-11-27 20:10:50,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:10:50,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:10:50,141 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_fdc1be7f-60bb-4d54-b02a-fff47eae497c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i[919,932] [2024-11-27 20:10:50,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:10:50,247 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:10:50,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50 WrapperNode [2024-11-27 20:10:50,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:10:50,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:10:50,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:10:50,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:10:50,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,352 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2024-11-27 20:10:50,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:10:50,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:10:50,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:10:50,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:10:50,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,377 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,409 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]. [2024-11-27 20:10:50,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,429 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:10:50,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:10:50,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:10:50,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:10:50,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (1/1) ... [2024-11-27 20:10:50,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:10:50,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:10:50,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:10:50,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:10:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:10:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:10:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:10:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:10:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:10:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:10:50,702 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:10:50,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:10:51,330 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-27 20:10:51,330 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:10:51,349 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:10:51,350 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:10:51,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:10:51 BoogieIcfgContainer [2024-11-27 20:10:51,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:10:51,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:10:51,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:10:51,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:10:51,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:10:49" (1/3) ... [2024-11-27 20:10:51,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b479743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:10:51, skipping insertion in model container [2024-11-27 20:10:51,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:10:50" (2/3) ... [2024-11-27 20:10:51,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b479743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:10:51, skipping insertion in model container [2024-11-27 20:10:51,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:10:51" (3/3) ... [2024-11-27 20:10:51,363 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i [2024-11-27 20:10:51,381 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:10:51,384 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i that has 2 procedures, 84 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:10:51,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:10:51,493 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;@590c10ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:10:51,494 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:10:51,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 20:10:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:10:51,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:10:51,515 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:10:51,516 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:10:51,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:10:51,523 INFO L85 PathProgramCache]: Analyzing trace with hash 661058656, now seen corresponding path program 1 times [2024-11-27 20:10:51,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:10:51,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4573249] [2024-11-27 20:10:51,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:10:51,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:10:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:10:52,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-11-27 20:10:52,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:10:52,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4573249] [2024-11-27 20:10:52,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4573249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:10:52,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219768378] [2024-11-27 20:10:52,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:10:52,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:10:52,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:10:52,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:10:52,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:10:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:10:52,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:10:52,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:10:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-11-27 20:10:52,464 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:10:52,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219768378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:10:52,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:10:52,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:10:52,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125812797] [2024-11-27 20:10:52,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:10:52,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:10:52,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:10:52,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:10:52,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:10:52,508 INFO L87 Difference]: Start difference. First operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-27 20:10:52,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:10:52,555 INFO L93 Difference]: Finished difference Result 159 states and 280 transitions. [2024-11-27 20:10:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:10:52,558 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2024-11-27 20:10:52,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:10:52,567 INFO L225 Difference]: With dead ends: 159 [2024-11-27 20:10:52,567 INFO L226 Difference]: Without dead ends: 78 [2024-11-27 20:10:52,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:10:52,578 INFO L435 NwaCegarLoop]: 121 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, 121 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 [2024-11-27 20:10:52,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:10:52,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-27 20:10:52,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-27 20:10:52,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 20:10:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2024-11-27 20:10:52,652 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 121 transitions. Word has length 160 [2024-11-27 20:10:52,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:10:52,653 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 121 transitions. [2024-11-27 20:10:52,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-27 20:10:52,653 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2024-11-27 20:10:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:10:52,660 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:10:52,660 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:10:52,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:10:52,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:10:52,862 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:10:52,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:10:52,863 INFO L85 PathProgramCache]: Analyzing trace with hash 254920988, now seen corresponding path program 1 times [2024-11-27 20:10:52,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:10:52,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188624960] [2024-11-27 20:10:52,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:10:52,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:10:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:10:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:10:57,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:10:57,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188624960] [2024-11-27 20:10:57,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188624960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:10:57,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:10:57,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 20:10:57,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426796737] [2024-11-27 20:10:57,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:10:57,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:10:57,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:10:57,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:10:57,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:10:57,163 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-27 20:10:58,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:10:58,957 INFO L93 Difference]: Finished difference Result 226 states and 336 transitions. [2024-11-27 20:10:58,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:10:58,959 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2024-11-27 20:10:58,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:10:58,962 INFO L225 Difference]: With dead ends: 226 [2024-11-27 20:10:58,962 INFO L226 Difference]: Without dead ends: 151 [2024-11-27 20:10:58,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:10:58,964 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 466 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:10:58,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 278 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:10:58,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-27 20:10:59,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 118. [2024-11-27 20:10:59,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 88 states have internal predecessors, (124), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-27 20:10:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 176 transitions. [2024-11-27 20:10:59,004 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 176 transitions. Word has length 160 [2024-11-27 20:10:59,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:10:59,005 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 176 transitions. [2024-11-27 20:10:59,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-27 20:10:59,006 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 176 transitions. [2024-11-27 20:10:59,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:10:59,009 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:10:59,009 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:10:59,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:10:59,010 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:10:59,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:10:59,011 INFO L85 PathProgramCache]: Analyzing trace with hash 2029928350, now seen corresponding path program 1 times [2024-11-27 20:10:59,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:10:59,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252127473] [2024-11-27 20:10:59,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:10:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:10:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:11:59,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:59,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252127473] [2024-11-27 20:11:59,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252127473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:59,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:59,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-27 20:11:59,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584652251] [2024-11-27 20:11:59,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:59,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 20:11:59,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:59,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 20:11:59,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:11:59,267 INFO L87 Difference]: Start difference. First operand 118 states and 176 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:12:02,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:02,524 INFO L93 Difference]: Finished difference Result 521 states and 765 transitions. [2024-11-27 20:12:02,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 20:12:02,525 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-27 20:12:02,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:02,535 INFO L225 Difference]: With dead ends: 521 [2024-11-27 20:12:02,535 INFO L226 Difference]: Without dead ends: 406 [2024-11-27 20:12:02,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:12:02,541 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 386 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:02,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 667 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-27 20:12:02,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-27 20:12:02,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 216. [2024-11-27 20:12:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 157 states have (on average 1.375796178343949) internal successors, (216), 158 states have internal predecessors, (216), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-27 20:12:02,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 316 transitions. [2024-11-27 20:12:02,641 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 316 transitions. Word has length 160 [2024-11-27 20:12:02,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:02,646 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 316 transitions. [2024-11-27 20:12:02,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:12:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 316 transitions. [2024-11-27 20:12:02,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:12:02,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:02,654 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:02,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:12:02,654 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:02,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:02,655 INFO L85 PathProgramCache]: Analyzing trace with hash 2031775392, now seen corresponding path program 1 times [2024-11-27 20:12:02,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:02,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677474853] [2024-11-27 20:12:02,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:02,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:15,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:12:15,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:15,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677474853] [2024-11-27 20:12:15,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677474853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:15,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:15,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-27 20:12:15,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457923668] [2024-11-27 20:12:15,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:15,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 20:12:15,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:15,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 20:12:15,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:12:15,838 INFO L87 Difference]: Start difference. First operand 216 states and 316 transitions. Second operand has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:12:18,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:18,252 INFO L93 Difference]: Finished difference Result 337 states and 477 transitions. [2024-11-27 20:12:18,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 20:12:18,253 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-27 20:12:18,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:18,259 INFO L225 Difference]: With dead ends: 337 [2024-11-27 20:12:18,259 INFO L226 Difference]: Without dead ends: 335 [2024-11-27 20:12:18,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2024-11-27 20:12:18,261 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 296 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:18,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 709 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 20:12:18,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-27 20:12:18,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 220. [2024-11-27 20:12:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 161 states have (on average 1.3726708074534162) internal successors, (221), 162 states have internal predecessors, (221), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-27 20:12:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 321 transitions. [2024-11-27 20:12:18,316 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 321 transitions. Word has length 160 [2024-11-27 20:12:18,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:18,317 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 321 transitions. [2024-11-27 20:12:18,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:12:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 321 transitions. [2024-11-27 20:12:18,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:12:18,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:18,320 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:18,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:12:18,321 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:18,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:18,322 INFO L85 PathProgramCache]: Analyzing trace with hash -3244450, now seen corresponding path program 1 times [2024-11-27 20:12:18,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:18,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143154937] [2024-11-27 20:12:18,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:18,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:12:19,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:19,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143154937] [2024-11-27 20:12:19,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143154937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:19,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:19,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:12:19,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367736837] [2024-11-27 20:12:19,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:19,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:12:19,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:19,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:12:19,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:12:19,096 INFO L87 Difference]: Start difference. First operand 220 states and 321 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-27 20:12:19,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:19,765 INFO L93 Difference]: Finished difference Result 396 states and 570 transitions. [2024-11-27 20:12:19,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:12:19,766 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2024-11-27 20:12:19,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:19,769 INFO L225 Difference]: With dead ends: 396 [2024-11-27 20:12:19,770 INFO L226 Difference]: Without dead ends: 281 [2024-11-27 20:12:19,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:12:19,772 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 352 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:19,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 232 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:12:19,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-27 20:12:19,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 225. [2024-11-27 20:12:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 166 states have (on average 1.3734939759036144) internal successors, (228), 167 states have internal predecessors, (228), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-27 20:12:19,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 328 transitions. [2024-11-27 20:12:19,827 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 328 transitions. Word has length 160 [2024-11-27 20:12:19,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:19,828 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 328 transitions. [2024-11-27 20:12:19,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-27 20:12:19,829 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 328 transitions. [2024-11-27 20:12:19,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:12:19,831 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:19,831 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:19,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:12:19,832 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:19,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:19,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1771762912, now seen corresponding path program 1 times [2024-11-27 20:12:19,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:19,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165205983] [2024-11-27 20:12:19,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:19,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:12:27,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:27,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165205983] [2024-11-27 20:12:27,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165205983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:27,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:27,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-27 20:12:27,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497075371] [2024-11-27 20:12:27,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:27,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 20:12:27,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:27,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 20:12:27,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:12:27,590 INFO L87 Difference]: Start difference. First operand 225 states and 328 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:12:31,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:31,812 INFO L93 Difference]: Finished difference Result 375 states and 524 transitions. [2024-11-27 20:12:31,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 20:12:31,813 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-27 20:12:31,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:31,816 INFO L225 Difference]: With dead ends: 375 [2024-11-27 20:12:31,816 INFO L226 Difference]: Without dead ends: 373 [2024-11-27 20:12:31,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:12:31,818 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 313 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:31,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 755 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-27 20:12:31,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-27 20:12:31,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 225. [2024-11-27 20:12:31,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 166 states have (on average 1.3734939759036144) internal successors, (228), 167 states have internal predecessors, (228), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-27 20:12:31,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 328 transitions. [2024-11-27 20:12:31,874 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 328 transitions. Word has length 160 [2024-11-27 20:12:31,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:31,875 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 328 transitions. [2024-11-27 20:12:31,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:12:31,875 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 328 transitions. [2024-11-27 20:12:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:12:31,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:31,878 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:31,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:12:31,879 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:31,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:31,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1773609954, now seen corresponding path program 1 times [2024-11-27 20:12:31,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:31,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940802139] [2024-11-27 20:12:31,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:31,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:12:40,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:40,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940802139] [2024-11-27 20:12:40,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940802139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:40,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:40,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-27 20:12:40,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979431810] [2024-11-27 20:12:40,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:40,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 20:12:40,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:40,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 20:12:40,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:12:40,776 INFO L87 Difference]: Start difference. First operand 225 states and 328 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:12:44,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:44,289 INFO L93 Difference]: Finished difference Result 373 states and 522 transitions. [2024-11-27 20:12:44,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 20:12:44,290 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-27 20:12:44,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:44,292 INFO L225 Difference]: With dead ends: 373 [2024-11-27 20:12:44,293 INFO L226 Difference]: Without dead ends: 371 [2024-11-27 20:12:44,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:12:44,299 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 293 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:44,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 838 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-27 20:12:44,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-27 20:12:44,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 225. [2024-11-27 20:12:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 166 states have (on average 1.3734939759036144) internal successors, (228), 167 states have internal predecessors, (228), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-27 20:12:44,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 328 transitions. [2024-11-27 20:12:44,359 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 328 transitions. Word has length 160 [2024-11-27 20:12:44,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:44,364 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 328 transitions. [2024-11-27 20:12:44,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:12:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 328 transitions. [2024-11-27 20:12:44,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:12:44,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:44,367 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:44,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:12:44,371 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:44,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:44,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1008859996, now seen corresponding path program 1 times [2024-11-27 20:12:44,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:44,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996979350] [2024-11-27 20:12:44,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:44,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:44,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:12:44,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:44,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996979350] [2024-11-27 20:12:44,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996979350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:44,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:44,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:12:44,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153627998] [2024-11-27 20:12:44,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:44,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:12:44,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:44,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:12:44,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:12:44,467 INFO L87 Difference]: Start difference. First operand 225 states and 328 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:12:44,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:44,587 INFO L93 Difference]: Finished difference Result 467 states and 692 transitions. [2024-11-27 20:12:44,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:12:44,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-27 20:12:44,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:44,592 INFO L225 Difference]: With dead ends: 467 [2024-11-27 20:12:44,592 INFO L226 Difference]: Without dead ends: 347 [2024-11-27 20:12:44,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:12:44,593 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 102 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:44,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 316 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:12:44,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-27 20:12:44,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 345. [2024-11-27 20:12:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 256 states have (on average 1.33203125) internal successors, (341), 258 states have internal predecessors, (341), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-27 20:12:44,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 493 transitions. [2024-11-27 20:12:44,669 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 493 transitions. Word has length 160 [2024-11-27 20:12:44,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:44,670 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 493 transitions. [2024-11-27 20:12:44,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:12:44,670 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 493 transitions. [2024-11-27 20:12:44,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:12:44,672 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:44,672 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:44,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:12:44,673 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:44,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:44,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1709924574, now seen corresponding path program 1 times [2024-11-27 20:12:44,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:44,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98286488] [2024-11-27 20:12:44,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:44,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:12:47,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:47,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98286488] [2024-11-27 20:12:47,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98286488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:47,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:47,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 20:12:47,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120095253] [2024-11-27 20:12:47,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:47,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:12:47,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:47,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:12:47,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:12:47,266 INFO L87 Difference]: Start difference. First operand 345 states and 493 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-27 20:12:49,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:49,257 INFO L93 Difference]: Finished difference Result 828 states and 1151 transitions. [2024-11-27 20:12:49,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:12:49,257 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2024-11-27 20:12:49,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:49,262 INFO L225 Difference]: With dead ends: 828 [2024-11-27 20:12:49,262 INFO L226 Difference]: Without dead ends: 617 [2024-11-27 20:12:49,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:12:49,264 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 382 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:49,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 856 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 20:12:49,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-27 20:12:49,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 391. [2024-11-27 20:12:49,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 302 states have (on average 1.3708609271523178) internal successors, (414), 304 states have internal predecessors, (414), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-27 20:12:49,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 566 transitions. [2024-11-27 20:12:49,361 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 566 transitions. Word has length 160 [2024-11-27 20:12:49,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:49,361 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 566 transitions. [2024-11-27 20:12:49,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-27 20:12:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 566 transitions. [2024-11-27 20:12:49,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:12:49,368 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:49,368 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:49,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:12:49,368 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:49,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:49,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1451759136, now seen corresponding path program 1 times [2024-11-27 20:12:49,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:49,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378797021] [2024-11-27 20:12:49,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:49,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:12:49,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:49,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378797021] [2024-11-27 20:12:49,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378797021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:49,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:49,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:12:49,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830668007] [2024-11-27 20:12:49,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:49,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:12:49,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:49,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:12:49,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:12:49,534 INFO L87 Difference]: Start difference. First operand 391 states and 566 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:12:49,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:49,983 INFO L93 Difference]: Finished difference Result 784 states and 1109 transitions. [2024-11-27 20:12:49,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:12:49,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-27 20:12:49,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:49,989 INFO L225 Difference]: With dead ends: 784 [2024-11-27 20:12:49,989 INFO L226 Difference]: Without dead ends: 573 [2024-11-27 20:12:49,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:12:49,992 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 92 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:49,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 405 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:12:49,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-27 20:12:50,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 515. [2024-11-27 20:12:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 396 states have (on average 1.351010101010101) internal successors, (535), 399 states have internal predecessors, (535), 102 states have call successors, (102), 16 states have call predecessors, (102), 16 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-27 20:12:50,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 739 transitions. [2024-11-27 20:12:50,142 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 739 transitions. Word has length 160 [2024-11-27 20:12:50,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:50,143 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 739 transitions. [2024-11-27 20:12:50,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:12:50,143 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 739 transitions. [2024-11-27 20:12:50,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:12:50,147 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:50,147 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:50,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:12:50,149 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:50,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:50,149 INFO L85 PathProgramCache]: Analyzing trace with hash 340984608, now seen corresponding path program 1 times [2024-11-27 20:12:50,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:50,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70981357] [2024-11-27 20:12:50,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:50,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:51,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:12:51,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:51,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70981357] [2024-11-27 20:12:51,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70981357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:51,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:51,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:12:51,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423875225] [2024-11-27 20:12:51,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:51,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:12:51,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:51,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:12:51,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:12:51,018 INFO L87 Difference]: Start difference. First operand 515 states and 739 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-27 20:12:52,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:52,225 INFO L93 Difference]: Finished difference Result 1409 states and 1987 transitions. [2024-11-27 20:12:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:12:52,226 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 160 [2024-11-27 20:12:52,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:52,234 INFO L225 Difference]: With dead ends: 1409 [2024-11-27 20:12:52,234 INFO L226 Difference]: Without dead ends: 1032 [2024-11-27 20:12:52,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:12:52,237 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 489 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:52,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 535 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:12:52,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-11-27 20:12:52,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 798. [2024-11-27 20:12:52,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 619 states have (on average 1.3263327948303716) internal successors, (821), 624 states have internal predecessors, (821), 154 states have call successors, (154), 24 states have call predecessors, (154), 24 states have return successors, (154), 149 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-27 20:12:52,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1129 transitions. [2024-11-27 20:12:52,470 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1129 transitions. Word has length 160 [2024-11-27 20:12:52,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:52,471 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 1129 transitions. [2024-11-27 20:12:52,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-27 20:12:52,472 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1129 transitions. [2024-11-27 20:12:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:12:52,477 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:52,477 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:52,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:12:52,478 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:52,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:52,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1569158131, now seen corresponding path program 1 times [2024-11-27 20:12:52,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:52,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737792781] [2024-11-27 20:12:52,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:52,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:12:54,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:54,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737792781] [2024-11-27 20:12:54,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737792781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:54,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:54,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:12:54,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238475520] [2024-11-27 20:12:54,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:54,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:12:54,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:54,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:12:54,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:12:54,302 INFO L87 Difference]: Start difference. First operand 798 states and 1129 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-27 20:12:55,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:55,888 INFO L93 Difference]: Finished difference Result 1461 states and 2040 transitions. [2024-11-27 20:12:55,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:12:55,890 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 161 [2024-11-27 20:12:55,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:55,897 INFO L225 Difference]: With dead ends: 1461 [2024-11-27 20:12:55,897 INFO L226 Difference]: Without dead ends: 1114 [2024-11-27 20:12:55,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:12:55,899 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 301 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:55,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 294 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:12:55,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-11-27 20:12:56,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 808. [2024-11-27 20:12:56,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 629 states have (on average 1.329093799682035) internal successors, (836), 634 states have internal predecessors, (836), 154 states have call successors, (154), 24 states have call predecessors, (154), 24 states have return successors, (154), 149 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-27 20:12:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1144 transitions. [2024-11-27 20:12:56,133 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1144 transitions. Word has length 161 [2024-11-27 20:12:56,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:56,134 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1144 transitions. [2024-11-27 20:12:56,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-27 20:12:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1144 transitions. [2024-11-27 20:12:56,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:12:56,138 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:56,138 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:56,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:12:56,139 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:56,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:56,139 INFO L85 PathProgramCache]: Analyzing trace with hash -950801803, now seen corresponding path program 1 times [2024-11-27 20:12:56,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:56,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440962699] [2024-11-27 20:12:56,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:56,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:03,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 36 proven. 96 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2024-11-27 20:13:03,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:03,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440962699] [2024-11-27 20:13:03,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440962699] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:13:03,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610265194] [2024-11-27 20:13:03,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:03,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:03,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:03,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:13:03,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:13:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:03,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 20:13:03,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 680 proven. 72 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-27 20:13:05,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:13:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 60 proven. 75 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-11-27 20:13:08,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610265194] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:13:08,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:13:08,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 37 [2024-11-27 20:13:08,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743200103] [2024-11-27 20:13:08,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:13:08,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-27 20:13:08,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:08,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-27 20:13:08,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1130, Unknown=0, NotChecked=0, Total=1332 [2024-11-27 20:13:08,548 INFO L87 Difference]: Start difference. First operand 808 states and 1144 transitions. Second operand has 37 states, 35 states have (on average 3.942857142857143) internal successors, (138), 34 states have internal predecessors, (138), 12 states have call successors, (72), 5 states have call predecessors, (72), 9 states have return successors, (72), 13 states have call predecessors, (72), 12 states have call successors, (72) [2024-11-27 20:13:21,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:21,603 INFO L93 Difference]: Finished difference Result 3734 states and 5147 transitions. [2024-11-27 20:13:21,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-11-27 20:13:21,604 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 35 states have (on average 3.942857142857143) internal successors, (138), 34 states have internal predecessors, (138), 12 states have call successors, (72), 5 states have call predecessors, (72), 9 states have return successors, (72), 13 states have call predecessors, (72), 12 states have call successors, (72) Word has length 161 [2024-11-27 20:13:21,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:21,620 INFO L225 Difference]: With dead ends: 3734 [2024-11-27 20:13:21,621 INFO L226 Difference]: Without dead ends: 2970 [2024-11-27 20:13:21,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4906 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=2157, Invalid=12605, Unknown=0, NotChecked=0, Total=14762 [2024-11-27 20:13:21,630 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 1727 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 3330 mSolverCounterSat, 680 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 2235 SdHoareTripleChecker+Invalid, 4010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 680 IncrementalHoareTripleChecker+Valid, 3330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:21,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1770 Valid, 2235 Invalid, 4010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [680 Valid, 3330 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-27 20:13:21,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2970 states. [2024-11-27 20:13:22,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2970 to 1499. [2024-11-27 20:13:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1499 states, 1059 states have (on average 1.259678942398489) internal successors, (1334), 1065 states have internal predecessors, (1334), 372 states have call successors, (372), 67 states have call predecessors, (372), 67 states have return successors, (372), 366 states have call predecessors, (372), 372 states have call successors, (372) [2024-11-27 20:13:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 2078 transitions. [2024-11-27 20:13:22,186 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 2078 transitions. Word has length 161 [2024-11-27 20:13:22,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:22,187 INFO L471 AbstractCegarLoop]: Abstraction has 1499 states and 2078 transitions. [2024-11-27 20:13:22,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 35 states have (on average 3.942857142857143) internal successors, (138), 34 states have internal predecessors, (138), 12 states have call successors, (72), 5 states have call predecessors, (72), 9 states have return successors, (72), 13 states have call predecessors, (72), 12 states have call successors, (72) [2024-11-27 20:13:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2078 transitions. [2024-11-27 20:13:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:13:22,189 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:22,189 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:22,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:13:22,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 20:13:22,390 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:22,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:22,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1310992693, now seen corresponding path program 1 times [2024-11-27 20:13:22,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:22,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599018394] [2024-11-27 20:13:22,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:22,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:13:22,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:22,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599018394] [2024-11-27 20:13:22,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599018394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:22,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:22,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:13:22,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134499981] [2024-11-27 20:13:22,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:22,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:13:22,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:22,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:13:22,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:13:22,757 INFO L87 Difference]: Start difference. First operand 1499 states and 2078 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-27 20:13:24,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:24,087 INFO L93 Difference]: Finished difference Result 2872 states and 3889 transitions. [2024-11-27 20:13:24,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:13:24,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 161 [2024-11-27 20:13:24,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:24,099 INFO L225 Difference]: With dead ends: 2872 [2024-11-27 20:13:24,099 INFO L226 Difference]: Without dead ends: 1798 [2024-11-27 20:13:24,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:13:24,104 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 214 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:24,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 243 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:13:24,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2024-11-27 20:13:24,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1216. [2024-11-27 20:13:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 841 states have (on average 1.243757431629013) internal successors, (1046), 841 states have internal predecessors, (1046), 312 states have call successors, (312), 62 states have call predecessors, (312), 62 states have return successors, (312), 312 states have call predecessors, (312), 312 states have call successors, (312) [2024-11-27 20:13:24,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1670 transitions. [2024-11-27 20:13:24,673 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1670 transitions. Word has length 161 [2024-11-27 20:13:24,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:24,675 INFO L471 AbstractCegarLoop]: Abstraction has 1216 states and 1670 transitions. [2024-11-27 20:13:24,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-27 20:13:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1670 transitions. [2024-11-27 20:13:24,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:13:24,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:24,680 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:24,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:13:24,680 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:24,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:24,681 INFO L85 PathProgramCache]: Analyzing trace with hash -329242443, now seen corresponding path program 1 times [2024-11-27 20:13:24,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:24,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46740742] [2024-11-27 20:13:24,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:24,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:26,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:13:26,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:26,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46740742] [2024-11-27 20:13:26,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46740742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:26,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:26,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:13:26,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613341742] [2024-11-27 20:13:26,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:26,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:13:26,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:26,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:13:26,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:13:26,293 INFO L87 Difference]: Start difference. First operand 1216 states and 1670 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-27 20:13:27,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:27,710 INFO L93 Difference]: Finished difference Result 2205 states and 3006 transitions. [2024-11-27 20:13:27,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:13:27,711 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 161 [2024-11-27 20:13:27,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:27,720 INFO L225 Difference]: With dead ends: 2205 [2024-11-27 20:13:27,720 INFO L226 Difference]: Without dead ends: 1338 [2024-11-27 20:13:27,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:13:27,724 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 321 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:27,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 534 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:13:27,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2024-11-27 20:13:28,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1203. [2024-11-27 20:13:28,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 828 states have (on average 1.2415458937198067) internal successors, (1028), 828 states have internal predecessors, (1028), 312 states have call successors, (312), 62 states have call predecessors, (312), 62 states have return successors, (312), 312 states have call predecessors, (312), 312 states have call successors, (312) [2024-11-27 20:13:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1652 transitions. [2024-11-27 20:13:28,179 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1652 transitions. Word has length 161 [2024-11-27 20:13:28,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:28,179 INFO L471 AbstractCegarLoop]: Abstraction has 1203 states and 1652 transitions. [2024-11-27 20:13:28,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-27 20:13:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1652 transitions. [2024-11-27 20:13:28,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:13:28,182 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:28,182 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:28,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:13:28,182 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:28,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:28,183 INFO L85 PathProgramCache]: Analyzing trace with hash -607364672, now seen corresponding path program 1 times [2024-11-27 20:13:28,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:28,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5901170] [2024-11-27 20:13:28,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:28,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:32,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:13:32,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:32,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5901170] [2024-11-27 20:13:32,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5901170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:32,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:32,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:13:32,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334972384] [2024-11-27 20:13:32,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:32,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:13:32,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:32,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:13:32,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:13:32,723 INFO L87 Difference]: Start difference. First operand 1203 states and 1652 transitions. Second operand has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:13:34,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:34,688 INFO L93 Difference]: Finished difference Result 2448 states and 3318 transitions. [2024-11-27 20:13:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:13:34,688 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-11-27 20:13:34,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:34,698 INFO L225 Difference]: With dead ends: 2448 [2024-11-27 20:13:34,698 INFO L226 Difference]: Without dead ends: 1336 [2024-11-27 20:13:34,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-11-27 20:13:34,703 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 300 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:34,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 632 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 20:13:34,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2024-11-27 20:13:35,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1178. [2024-11-27 20:13:35,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 803 states have (on average 1.2266500622665006) internal successors, (985), 803 states have internal predecessors, (985), 312 states have call successors, (312), 62 states have call predecessors, (312), 62 states have return successors, (312), 312 states have call predecessors, (312), 312 states have call successors, (312) [2024-11-27 20:13:35,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1609 transitions. [2024-11-27 20:13:35,160 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1609 transitions. Word has length 161 [2024-11-27 20:13:35,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:35,161 INFO L471 AbstractCegarLoop]: Abstraction has 1178 states and 1609 transitions. [2024-11-27 20:13:35,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:13:35,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1609 transitions. [2024-11-27 20:13:35,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:13:35,163 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:35,163 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:35,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:13:35,163 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:35,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:35,164 INFO L85 PathProgramCache]: Analyzing trace with hash -605517630, now seen corresponding path program 1 times [2024-11-27 20:13:35,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:35,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987937499] [2024-11-27 20:13:35,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:35,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:40,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:13:40,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:40,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987937499] [2024-11-27 20:13:40,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987937499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:40,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:40,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:13:40,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542515962] [2024-11-27 20:13:40,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:40,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:13:40,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:40,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:13:40,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:13:40,876 INFO L87 Difference]: Start difference. First operand 1178 states and 1609 transitions. Second operand has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:13:43,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:43,001 INFO L93 Difference]: Finished difference Result 1336 states and 1787 transitions. [2024-11-27 20:13:43,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:13:43,001 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-11-27 20:13:43,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:43,009 INFO L225 Difference]: With dead ends: 1336 [2024-11-27 20:13:43,009 INFO L226 Difference]: Without dead ends: 1334 [2024-11-27 20:13:43,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:13:43,011 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 266 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:43,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 627 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 20:13:43,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2024-11-27 20:13:43,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1178. [2024-11-27 20:13:43,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 803 states have (on average 1.2266500622665006) internal successors, (985), 803 states have internal predecessors, (985), 312 states have call successors, (312), 62 states have call predecessors, (312), 62 states have return successors, (312), 312 states have call predecessors, (312), 312 states have call successors, (312) [2024-11-27 20:13:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1609 transitions. [2024-11-27 20:13:43,353 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1609 transitions. Word has length 161 [2024-11-27 20:13:43,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:43,354 INFO L471 AbstractCegarLoop]: Abstraction has 1178 states and 1609 transitions. [2024-11-27 20:13:43,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:13:43,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1609 transitions. [2024-11-27 20:13:43,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:13:43,356 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:43,356 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:43,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:13:43,356 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:43,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:43,357 INFO L85 PathProgramCache]: Analyzing trace with hash 935012577, now seen corresponding path program 1 times [2024-11-27 20:13:43,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:43,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326594263] [2024-11-27 20:13:43,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:43,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:13:56,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:56,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326594263] [2024-11-27 20:13:56,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326594263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:56,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:56,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-27 20:13:56,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640647711] [2024-11-27 20:13:56,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:56,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 20:13:56,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:56,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 20:13:56,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:13:56,366 INFO L87 Difference]: Start difference. First operand 1178 states and 1609 transitions. Second operand has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:14:01,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:01,667 INFO L93 Difference]: Finished difference Result 2112 states and 2887 transitions. [2024-11-27 20:14:01,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 20:14:01,668 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-11-27 20:14:01,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:01,675 INFO L225 Difference]: With dead ends: 2112 [2024-11-27 20:14:01,675 INFO L226 Difference]: Without dead ends: 1519 [2024-11-27 20:14:01,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2024-11-27 20:14:01,678 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 305 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:01,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 993 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-27 20:14:01,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2024-11-27 20:14:02,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1210. [2024-11-27 20:14:02,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 835 states have (on average 1.2335329341317365) internal successors, (1030), 835 states have internal predecessors, (1030), 312 states have call successors, (312), 62 states have call predecessors, (312), 62 states have return successors, (312), 312 states have call predecessors, (312), 312 states have call successors, (312) [2024-11-27 20:14:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1654 transitions. [2024-11-27 20:14:02,183 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1654 transitions. Word has length 161 [2024-11-27 20:14:02,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:02,183 INFO L471 AbstractCegarLoop]: Abstraction has 1210 states and 1654 transitions. [2024-11-27 20:14:02,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:14:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1654 transitions. [2024-11-27 20:14:02,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:14:02,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:02,186 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:02,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:14:02,186 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:14:02,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:02,187 INFO L85 PathProgramCache]: Analyzing trace with hash 936859619, now seen corresponding path program 1 times [2024-11-27 20:14:02,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:02,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124175223] [2024-11-27 20:14:02,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:02,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:14:50,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:14:50,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124175223] [2024-11-27 20:14:50,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124175223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:50,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:14:50,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-27 20:14:50,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781899760] [2024-11-27 20:14:50,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:50,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 20:14:50,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:14:50,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 20:14:50,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:14:50,640 INFO L87 Difference]: Start difference. First operand 1210 states and 1654 transitions. Second operand has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:14:54,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:54,600 INFO L93 Difference]: Finished difference Result 1498 states and 2029 transitions. [2024-11-27 20:14:54,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 20:14:54,601 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-11-27 20:14:54,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:54,610 INFO L225 Difference]: With dead ends: 1498 [2024-11-27 20:14:54,611 INFO L226 Difference]: Without dead ends: 1496 [2024-11-27 20:14:54,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-11-27 20:14:54,612 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 290 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:54,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 871 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-27 20:14:54,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2024-11-27 20:14:54,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1211. [2024-11-27 20:14:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 836 states have (on average 1.2332535885167464) internal successors, (1031), 836 states have internal predecessors, (1031), 312 states have call successors, (312), 62 states have call predecessors, (312), 62 states have return successors, (312), 312 states have call predecessors, (312), 312 states have call successors, (312) [2024-11-27 20:14:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1655 transitions. [2024-11-27 20:14:54,990 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1655 transitions. Word has length 161 [2024-11-27 20:14:54,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:54,990 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1655 transitions. [2024-11-27 20:14:54,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:14:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1655 transitions. [2024-11-27 20:14:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:14:54,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:54,992 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:54,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 20:14:54,992 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:14:54,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:54,993 INFO L85 PathProgramCache]: Analyzing trace with hash 676847139, now seen corresponding path program 1 times [2024-11-27 20:14:54,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:54,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683089108] [2024-11-27 20:14:54,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:54,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:15:05,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:05,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683089108] [2024-11-27 20:15:05,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683089108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:05,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:05,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-27 20:15:05,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841162376] [2024-11-27 20:15:05,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:05,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-27 20:15:05,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:05,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 20:15:05,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2024-11-27 20:15:05,514 INFO L87 Difference]: Start difference. First operand 1211 states and 1655 transitions. Second operand has 20 states, 20 states have (on average 2.2) internal successors, (44), 20 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-27 20:15:11,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:11,657 INFO L93 Difference]: Finished difference Result 3656 states and 4930 transitions. [2024-11-27 20:15:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 20:15:11,658 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.2) internal successors, (44), 20 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 161 [2024-11-27 20:15:11,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:11,673 INFO L225 Difference]: With dead ends: 3656 [2024-11-27 20:15:11,673 INFO L226 Difference]: Without dead ends: 2653 [2024-11-27 20:15:11,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=216, Invalid=776, Unknown=0, NotChecked=0, Total=992 [2024-11-27 20:15:11,678 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 478 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 1802 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 1913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:11,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 1148 Invalid, 1913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1802 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-27 20:15:11,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2024-11-27 20:15:12,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 1699. [2024-11-27 20:15:12,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1210 states have (on average 1.2578512396694215) internal successors, (1522), 1210 states have internal predecessors, (1522), 408 states have call successors, (408), 80 states have call predecessors, (408), 80 states have return successors, (408), 408 states have call predecessors, (408), 408 states have call successors, (408) [2024-11-27 20:15:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2338 transitions. [2024-11-27 20:15:12,193 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2338 transitions. Word has length 161 [2024-11-27 20:15:12,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:12,194 INFO L471 AbstractCegarLoop]: Abstraction has 1699 states and 2338 transitions. [2024-11-27 20:15:12,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.2) internal successors, (44), 20 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-27 20:15:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2338 transitions. [2024-11-27 20:15:12,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:15:12,196 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:12,196 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:12,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 20:15:12,197 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:12,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:12,197 INFO L85 PathProgramCache]: Analyzing trace with hash 678694181, now seen corresponding path program 1 times [2024-11-27 20:15:12,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:12,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921115761] [2024-11-27 20:15:12,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:12,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:15:19,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:19,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921115761] [2024-11-27 20:15:19,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921115761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:19,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:19,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-27 20:15:19,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421656649] [2024-11-27 20:15:19,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:19,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 20:15:19,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:19,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 20:15:19,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:15:19,722 INFO L87 Difference]: Start difference. First operand 1699 states and 2338 transitions. Second operand has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:15:23,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:23,493 INFO L93 Difference]: Finished difference Result 2011 states and 2733 transitions. [2024-11-27 20:15:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 20:15:23,495 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-11-27 20:15:23,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:23,502 INFO L225 Difference]: With dead ends: 2011 [2024-11-27 20:15:23,502 INFO L226 Difference]: Without dead ends: 2009 [2024-11-27 20:15:23,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2024-11-27 20:15:23,505 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 316 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:23,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 1006 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-27 20:15:23,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2009 states. [2024-11-27 20:15:24,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2009 to 1703. [2024-11-27 20:15:24,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1214 states have (on average 1.2586490939044481) internal successors, (1528), 1214 states have internal predecessors, (1528), 408 states have call successors, (408), 80 states have call predecessors, (408), 80 states have return successors, (408), 408 states have call predecessors, (408), 408 states have call successors, (408) [2024-11-27 20:15:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2344 transitions. [2024-11-27 20:15:24,120 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2344 transitions. Word has length 161 [2024-11-27 20:15:24,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:24,121 INFO L471 AbstractCegarLoop]: Abstraction has 1703 states and 2344 transitions. [2024-11-27 20:15:24,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:15:24,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2344 transitions. [2024-11-27 20:15:24,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:15:24,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:24,123 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:24,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 20:15:24,123 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:24,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:24,123 INFO L85 PathProgramCache]: Analyzing trace with hash -753931165, now seen corresponding path program 1 times [2024-11-27 20:15:24,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:24,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484576821] [2024-11-27 20:15:24,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:24,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:26,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:15:26,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:26,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484576821] [2024-11-27 20:15:26,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484576821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:26,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:26,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:15:26,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47672609] [2024-11-27 20:15:26,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:26,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:15:26,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:26,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:15:26,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:15:26,049 INFO L87 Difference]: Start difference. First operand 1703 states and 2344 transitions. Second operand has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-27 20:15:28,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:28,964 INFO L93 Difference]: Finished difference Result 3716 states and 5099 transitions. [2024-11-27 20:15:28,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 20:15:28,965 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2024-11-27 20:15:28,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:28,978 INFO L225 Difference]: With dead ends: 3716 [2024-11-27 20:15:28,978 INFO L226 Difference]: Without dead ends: 2325 [2024-11-27 20:15:28,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2024-11-27 20:15:28,984 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 349 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:28,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 1036 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 20:15:28,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2024-11-27 20:15:29,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 1892. [2024-11-27 20:15:29,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1892 states, 1345 states have (on average 1.253531598513011) internal successors, (1686), 1345 states have internal predecessors, (1686), 456 states have call successors, (456), 90 states have call predecessors, (456), 90 states have return successors, (456), 456 states have call predecessors, (456), 456 states have call successors, (456) [2024-11-27 20:15:29,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2598 transitions. [2024-11-27 20:15:29,650 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2598 transitions. Word has length 161 [2024-11-27 20:15:29,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:29,651 INFO L471 AbstractCegarLoop]: Abstraction has 1892 states and 2598 transitions. [2024-11-27 20:15:29,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-27 20:15:29,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2598 transitions. [2024-11-27 20:15:29,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:15:29,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:29,653 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:29,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 20:15:29,653 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:29,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:29,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1012096603, now seen corresponding path program 1 times [2024-11-27 20:15:29,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:29,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34287161] [2024-11-27 20:15:29,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:29,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:15:30,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:30,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34287161] [2024-11-27 20:15:30,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34287161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:30,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:30,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-27 20:15:30,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772569232] [2024-11-27 20:15:30,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:30,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:15:30,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:30,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:15:30,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:15:30,576 INFO L87 Difference]: Start difference. First operand 1892 states and 2598 transitions. Second operand has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-27 20:15:33,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:33,556 INFO L93 Difference]: Finished difference Result 4043 states and 5507 transitions. [2024-11-27 20:15:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 20:15:33,556 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 161 [2024-11-27 20:15:33,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:33,572 INFO L225 Difference]: With dead ends: 4043 [2024-11-27 20:15:33,572 INFO L226 Difference]: Without dead ends: 2652 [2024-11-27 20:15:33,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2024-11-27 20:15:33,577 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 366 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:33,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1069 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-27 20:15:33,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2024-11-27 20:15:34,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 2077. [2024-11-27 20:15:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2077 states, 1472 states have (on average 1.2486413043478262) internal successors, (1838), 1472 states have internal predecessors, (1838), 504 states have call successors, (504), 100 states have call predecessors, (504), 100 states have return successors, (504), 504 states have call predecessors, (504), 504 states have call successors, (504) [2024-11-27 20:15:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 2846 transitions. [2024-11-27 20:15:34,292 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 2846 transitions. Word has length 161 [2024-11-27 20:15:34,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:34,293 INFO L471 AbstractCegarLoop]: Abstraction has 2077 states and 2846 transitions. [2024-11-27 20:15:34,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-27 20:15:34,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 2846 transitions. [2024-11-27 20:15:34,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:15:34,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:34,297 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:34,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 20:15:34,297 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:34,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:34,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1153867295, now seen corresponding path program 1 times [2024-11-27 20:15:34,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:34,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588717479] [2024-11-27 20:15:34,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:34,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:15:34,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:34,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588717479] [2024-11-27 20:15:34,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588717479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:34,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:34,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:15:34,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587675158] [2024-11-27 20:15:34,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:34,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:15:34,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:34,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:15:34,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:15:34,572 INFO L87 Difference]: Start difference. First operand 2077 states and 2846 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:15:35,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:35,336 INFO L93 Difference]: Finished difference Result 4050 states and 5576 transitions. [2024-11-27 20:15:35,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:15:35,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-11-27 20:15:35,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:35,351 INFO L225 Difference]: With dead ends: 4050 [2024-11-27 20:15:35,352 INFO L226 Difference]: Without dead ends: 2105 [2024-11-27 20:15:35,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:15:35,358 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 196 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:35,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 471 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:15:35,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2024-11-27 20:15:36,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 1721. [2024-11-27 20:15:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1721 states, 1232 states have (on average 1.2589285714285714) internal successors, (1551), 1232 states have internal predecessors, (1551), 408 states have call successors, (408), 80 states have call predecessors, (408), 80 states have return successors, (408), 408 states have call predecessors, (408), 408 states have call successors, (408) [2024-11-27 20:15:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2367 transitions. [2024-11-27 20:15:36,100 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2367 transitions. Word has length 161 [2024-11-27 20:15:36,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:36,100 INFO L471 AbstractCegarLoop]: Abstraction has 1721 states and 2367 transitions. [2024-11-27 20:15:36,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:15:36,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2367 transitions. [2024-11-27 20:15:36,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-27 20:15:36,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:36,103 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:36,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 20:15:36,104 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:36,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:36,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1092476725, now seen corresponding path program 1 times [2024-11-27 20:15:36,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:36,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561255189] [2024-11-27 20:15:36,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:36,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:15:36,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638805874] [2024-11-27 20:15:36,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:36,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:36,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:36,196 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:36,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:15:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:36,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-27 20:15:36,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 593 proven. 165 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-27 20:15:39,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:11,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:11,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561255189] [2024-11-27 20:16:11,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:16:11,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638805874] [2024-11-27 20:16:11,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638805874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:11,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:16:11,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-27 20:16:11,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117396867] [2024-11-27 20:16:11,502 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:16:11,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 20:16:11,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:11,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 20:16:11,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=437, Unknown=2, NotChecked=0, Total=552 [2024-11-27 20:16:11,504 INFO L87 Difference]: Start difference. First operand 1721 states and 2367 transitions. Second operand has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 18 states have internal predecessors, (66), 6 states have call successors, (24), 6 states have call predecessors, (24), 8 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-27 20:16:18,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:18,509 INFO L93 Difference]: Finished difference Result 2934 states and 3795 transitions. [2024-11-27 20:16:18,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-27 20:16:18,509 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 18 states have internal predecessors, (66), 6 states have call successors, (24), 6 states have call predecessors, (24), 8 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 162 [2024-11-27 20:16:18,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:18,522 INFO L225 Difference]: With dead ends: 2934 [2024-11-27 20:16:18,522 INFO L226 Difference]: Without dead ends: 2309 [2024-11-27 20:16:18,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 22.3s TimeCoverageRelationStatistics Valid=401, Invalid=1403, Unknown=2, NotChecked=0, Total=1806 [2024-11-27 20:16:18,526 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 127 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:18,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 552 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-27 20:16:18,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-27 20:16:19,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2150. [2024-11-27 20:16:19,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 1539 states have (on average 1.207277452891488) internal successors, (1858), 1544 states have internal predecessors, (1858), 448 states have call successors, (448), 162 states have call predecessors, (448), 162 states have return successors, (448), 443 states have call predecessors, (448), 448 states have call successors, (448) [2024-11-27 20:16:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 2754 transitions. [2024-11-27 20:16:19,357 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 2754 transitions. Word has length 162 [2024-11-27 20:16:19,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:19,358 INFO L471 AbstractCegarLoop]: Abstraction has 2150 states and 2754 transitions. [2024-11-27 20:16:19,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 18 states have internal predecessors, (66), 6 states have call successors, (24), 6 states have call predecessors, (24), 8 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-27 20:16:19,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 2754 transitions. [2024-11-27 20:16:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-27 20:16:19,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:19,359 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:19,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:16:19,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-27 20:16:19,560 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:16:19,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:19,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1090629683, now seen corresponding path program 1 times [2024-11-27 20:16:19,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:19,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698527623] [2024-11-27 20:16:19,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:16:19,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:16:19,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1845910398] [2024-11-27 20:16:19,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:16:19,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:19,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:19,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:19,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:16:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:16:19,817 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:16:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:16:20,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:16:20,019 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:16:20,020 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:16:20,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 20:16:20,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-27 20:16:20,225 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:20,432 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:16:20,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:16:20 BoogieIcfgContainer [2024-11-27 20:16:20,435 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:16:20,436 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:16:20,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:16:20,436 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:16:20,437 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:10:51" (3/4) ... [2024-11-27 20:16:20,440 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:16:20,441 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:16:20,442 INFO L158 Benchmark]: Toolchain (without parser) took 330772.94ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 92.3MB in the beginning and 708.9MB in the end (delta: -616.6MB). Peak memory consumption was 541.0MB. Max. memory is 16.1GB. [2024-11-27 20:16:20,442 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:16:20,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.05ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.0MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:16:20,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.98ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 73.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:16:20,443 INFO L158 Benchmark]: Boogie Preprocessor took 104.04ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 69.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:16:20,443 INFO L158 Benchmark]: RCFGBuilder took 889.28ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 45.7MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:16:20,444 INFO L158 Benchmark]: TraceAbstraction took 329081.29ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 45.1MB in the beginning and 709.1MB in the end (delta: -664.0MB). Peak memory consumption was 490.7MB. Max. memory is 16.1GB. [2024-11-27 20:16:20,444 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 1.3GB. Free memory was 709.1MB in the beginning and 708.9MB in the end (delta: 174.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:16:20,445 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.05ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.0MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.98ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 73.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 104.04ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 69.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 889.28ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 45.7MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 329081.29ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 45.1MB in the beginning and 709.1MB in the end (delta: -664.0MB). Peak memory consumption was 490.7MB. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 1.3GB. Free memory was 709.1MB in the beginning and 708.9MB in the end (delta: 174.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 176, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 174. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] signed char var_1_3 = 8; [L24] signed char var_1_4 = 10; [L25] double var_1_5 = 16.5; [L26] signed char var_1_6 = 64; [L27] signed char var_1_7 = 2; [L28] unsigned short int var_1_8 = 256; [L29] unsigned short int var_1_10 = 63583; [L30] unsigned short int var_1_11 = 33789; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_14 = 0; [L33] signed long int var_1_15 = 8; [L34] signed short int var_1_16 = -16; [L35] signed short int var_1_18 = 16; [L36] signed short int var_1_19 = 25; [L37] signed short int var_1_20 = 25; [L38] signed short int var_1_21 = 50; [L39] signed long int var_1_22 = -8; [L40] unsigned long int var_1_26 = 10; [L41] signed long int var_1_28 = -10000; [L42] signed long int var_1_29 = -1263929197; [L43] signed short int var_1_31 = 1; [L44] unsigned char var_1_36 = 32; [L45] unsigned char var_1_38 = 2; [L46] double var_1_39 = 3.6; [L47] double var_1_40 = 24.25; [L48] double var_1_41 = 31.25; [L49] unsigned long int var_1_42 = 10; [L50] unsigned char last_1_var_1_12 = 1; VAL [isInitial=0, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L186] isInitial = 1 [L187] FCALL initially() [L189] CALL updateLastVariables() [L179] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L189] RET updateLastVariables() [L190] CALL updateVariables() [L140] var_1_3 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L141] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L142] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L142] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L143] var_1_4 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L144] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L145] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L145] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L146] var_1_6 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=2, var_1_8=256] [L147] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=2, var_1_8=256] [L148] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=2, var_1_8=256] [L148] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=2, var_1_8=256] [L149] var_1_7 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L150] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L151] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L151] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L152] var_1_10 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L153] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L154] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L154] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L155] var_1_11 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L156] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L157] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L157] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L158] var_1_14 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L159] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L160] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L160] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L161] var_1_20 = __VERIFIER_nondet_short() [L162] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L162] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L163] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L163] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L164] var_1_21 = __VERIFIER_nondet_short() [L165] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L165] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L166] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L166] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L167] var_1_29 = __VERIFIER_nondet_long() [L168] CALL assume_abort_if_not(var_1_29 >= -2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L168] RET assume_abort_if_not(var_1_29 >= -2147483646) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L169] CALL assume_abort_if_not(var_1_29 <= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L169] RET assume_abort_if_not(var_1_29 <= -1073741823) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L170] var_1_38 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L171] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L172] CALL assume_abort_if_not(var_1_38 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L172] RET assume_abort_if_not(var_1_38 <= 254) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L173] var_1_40 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L174] RET assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L175] var_1_41 = __VERIFIER_nondet_double() [L176] CALL assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L176] RET assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L190] RET updateVariables() [L191] CALL step() [L54] signed char stepLocal_1 = var_1_6; [L55] unsigned char stepLocal_0 = last_1_var_1_12; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_1=0, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=256] [L56] COND FALSE !(-25 == stepLocal_1) [L61] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=49151] [L63] COND FALSE !(var_1_8 <= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) [L74] var_1_42 = var_1_38 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_42=0, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=49151] [L76] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_2=0, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_42=0, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=49151] [L77] COND TRUE var_1_8 >= stepLocal_2 [L78] var_1_12 = (! var_1_14) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_42=0, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=49151] [L80] COND FALSE !(((((((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19)))) > (var_1_18)) ? (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19)))) : (var_1_18))) > var_1_8) [L85] var_1_36 = var_1_38 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_42=0, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=49151] [L87] var_1_39 = ((((((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) > (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75))))) ? (((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) : (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75)))))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=49151] [L88] COND TRUE \read(var_1_12) [L89] var_1_1 = (var_1_3 + var_1_4) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=49151] [L91] COND FALSE !(var_1_8 > var_1_8) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=49151] [L100] COND TRUE var_1_4 >= (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/2, var_1_6=0, var_1_7=0, var_1_8=49151] [L101] COND TRUE \read(var_1_12) [L102] var_1_5 = 8.25 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L105] signed char stepLocal_4 = var_1_6; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_4=0, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L106] COND FALSE !(var_1_1 < stepLocal_4) [L109] var_1_18 = (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=0, var_1_19=25, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L111] COND TRUE \read(var_1_12) [L112] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L114] COND TRUE var_1_8 > var_1_18 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L115] COND TRUE \read(var_1_12) [L116] var_1_22 = 8 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L119] COND TRUE -64 > (var_1_6 + var_1_19) [L120] var_1_15 = (var_1_11 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L128] var_1_26 = var_1_8 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=8, var_1_26=49151, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L129] COND FALSE !(((((-256) < 0 ) ? -(-256) : (-256))) < var_1_18) [L132] var_1_28 = var_1_29 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=8, var_1_26=49151, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L134] signed long int stepLocal_3 = ((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10); VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_3=49152, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=8, var_1_26=49151, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L135] COND FALSE !(var_1_19 > stepLocal_3) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=8, var_1_26=49151, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L191] RET step() [L192] CALL, EXPR property() [L182-L183] return (((((((var_1_12 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_12 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((last_1_var_1_12 && last_1_var_1_12) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_19)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_19 > (((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_12 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=8, var_1_26=49151, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=8, var_1_26=49151, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-16383, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=8, var_1_26=49151, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=0, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=0, var_1_7=0, var_1_8=49151] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 328.8s, OverallIterations: 26, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 74.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8779 SdHoareTripleChecker+Valid, 36.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8727 mSDsluCounter, 17423 SdHoareTripleChecker+Invalid, 33.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13923 mSDsCounter, 2188 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17164 IncrementalHoareTripleChecker+Invalid, 19352 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2188 mSolverCounterUnsat, 3500 mSDtfsCounter, 17164 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1295 GetRequests, 777 SyntacticMatches, 0 SemanticMatches, 518 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6483 ImplicationChecksByTransitivity, 73.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2150occurred in iteration=25, InterpolantAutomatonStates: 431, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.5s AutomataMinimizationTime, 25 MinimizatonAttempts, 7421 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 241.2s InterpolantComputationTime, 4822 NumberOfCodeBlocks, 4822 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 4469 ConstructedInterpolants, 1 QuantifiedInterpolants, 58783 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1155 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 28 InterpolantComputations, 23 PerfectInterpolantSequences, 30458/30912 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 20:16:20,659 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-27 20:16:20,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB --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 fc772c7bbac1de5fe64d64c143c1154d0fb749c01b6a27196c7210715a9fc32d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:16:23,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:16:23,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:16:23,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:16:23,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:16:23,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:16:23,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:16:23,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:16:23,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:16:23,916 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:16:23,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:16:23,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:16:23,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:16:23,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:16:23,917 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:16:23,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:16:23,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:16:23,918 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:16:23,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:16:23,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:16:23,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:16:23,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:16:23,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:16:23,919 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:16:23,919 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:16:23,919 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:16:23,919 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:16:23,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:16:23,920 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:16:23,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:16:23,920 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:16:23,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:16:23,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:16:23,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:16:23,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:16:23,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:16:23,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:16:23,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:16:23,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:16:23,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:16:23,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:16:23,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:16:23,922 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:16:23,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:16:23,923 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:16:23,923 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:16:23,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:16:23,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:16:23,923 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:16:23,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:16:23,923 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB 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 -> fc772c7bbac1de5fe64d64c143c1154d0fb749c01b6a27196c7210715a9fc32d [2024-11-27 20:16:24,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:16:24,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:16:24,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:16:24,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:16:24,270 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:16:24,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i [2024-11-27 20:16:27,344 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/data/e84fa7079/a073e8b133604057b151bc783be43945/FLAG4f67a1b4e [2024-11-27 20:16:27,656 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:16:27,657 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i [2024-11-27 20:16:27,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/data/e84fa7079/a073e8b133604057b151bc783be43945/FLAG4f67a1b4e [2024-11-27 20:16:27,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/data/e84fa7079/a073e8b133604057b151bc783be43945 [2024-11-27 20:16:27,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:16:27,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:16:27,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:16:27,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:16:27,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:16:27,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:16:27" (1/1) ... [2024-11-27 20:16:27,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3e04c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:27, skipping insertion in model container [2024-11-27 20:16:27,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:16:27" (1/1) ... [2024-11-27 20:16:27,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:16:27,884 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_fdc1be7f-60bb-4d54-b02a-fff47eae497c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i[919,932] [2024-11-27 20:16:27,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:16:28,026 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:16:28,042 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_fdc1be7f-60bb-4d54-b02a-fff47eae497c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i[919,932] [2024-11-27 20:16:28,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:16:28,132 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:16:28,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28 WrapperNode [2024-11-27 20:16:28,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:16:28,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:16:28,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:16:28,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:16:28,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,211 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-11-27 20:16:28,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:16:28,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:16:28,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:16:28,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:16:28,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,266 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]. [2024-11-27 20:16:28,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,281 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:16:28,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:16:28,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:16:28,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:16:28,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (1/1) ... [2024-11-27 20:16:28,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:16:28,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:28,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:16:28,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:16:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:16:28,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:16:28,387 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:16:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:16:28,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:16:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:16:28,497 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:16:28,499 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:16:29,225 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-27 20:16:29,225 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:16:29,240 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:16:29,241 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:16:29,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:16:29 BoogieIcfgContainer [2024-11-27 20:16:29,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:16:29,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:16:29,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:16:29,254 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:16:29,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:16:27" (1/3) ... [2024-11-27 20:16:29,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7101fbe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:16:29, skipping insertion in model container [2024-11-27 20:16:29,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:16:28" (2/3) ... [2024-11-27 20:16:29,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7101fbe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:16:29, skipping insertion in model container [2024-11-27 20:16:29,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:16:29" (3/3) ... [2024-11-27 20:16:29,259 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i [2024-11-27 20:16:29,282 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:16:29,284 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i that has 2 procedures, 84 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:16:29,385 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:16:29,399 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;@36b70d3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:16:29,399 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:16:29,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 20:16:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:16:29,420 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:29,421 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:29,421 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:16:29,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:29,428 INFO L85 PathProgramCache]: Analyzing trace with hash 661058656, now seen corresponding path program 1 times [2024-11-27 20:16:29,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:16:29,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846177595] [2024-11-27 20:16:29,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:16:29,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:16:29,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:16:29,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:16:29,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-27 20:16:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:16:29,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:16:29,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:29,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-27 20:16:29,948 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:16:29,949 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:16:29,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846177595] [2024-11-27 20:16:29,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [846177595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:16:29,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:16:29,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:16:29,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935414787] [2024-11-27 20:16:29,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:16:29,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:16:29,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:16:29,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:16:29,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:16:29,996 INFO L87 Difference]: Start difference. First operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-27 20:16:30,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:30,050 INFO L93 Difference]: Finished difference Result 159 states and 280 transitions. [2024-11-27 20:16:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:16:30,053 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2024-11-27 20:16:30,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:30,064 INFO L225 Difference]: With dead ends: 159 [2024-11-27 20:16:30,066 INFO L226 Difference]: Without dead ends: 78 [2024-11-27 20:16:30,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:16:30,077 INFO L435 NwaCegarLoop]: 121 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, 121 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 [2024-11-27 20:16:30,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:16:30,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-27 20:16:30,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-27 20:16:30,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 20:16:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2024-11-27 20:16:30,152 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 121 transitions. Word has length 160 [2024-11-27 20:16:30,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:30,153 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 121 transitions. [2024-11-27 20:16:30,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-27 20:16:30,154 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2024-11-27 20:16:30,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:16:30,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:30,158 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:30,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-27 20:16:30,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:16:30,360 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:16:30,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:30,362 INFO L85 PathProgramCache]: Analyzing trace with hash 254920988, now seen corresponding path program 1 times [2024-11-27 20:16:30,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:16:30,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156114095] [2024-11-27 20:16:30,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:16:30,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:16:30,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:16:30,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:16:30,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-27 20:16:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:16:30,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:16:30,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:16:31,600 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:16:31,600 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:16:31,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156114095] [2024-11-27 20:16:31,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156114095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:16:31,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:16:31,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:16:31,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247911918] [2024-11-27 20:16:31,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:16:31,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:16:31,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:16:31,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:16:31,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:16:31,609 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:16:43,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:16:49,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:49,733 INFO L93 Difference]: Finished difference Result 300 states and 469 transitions. [2024-11-27 20:16:49,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:16:49,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-27 20:16:49,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:49,739 INFO L225 Difference]: With dead ends: 300 [2024-11-27 20:16:49,739 INFO L226 Difference]: Without dead ends: 225 [2024-11-27 20:16:49,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:16:49,741 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 283 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:49,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 282 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 18.0s Time] [2024-11-27 20:16:49,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-27 20:16:49,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 86. [2024-11-27 20:16:49,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 60 states have (on average 1.45) internal successors, (87), 60 states have internal predecessors, (87), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 20:16:49,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 135 transitions. [2024-11-27 20:16:49,767 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 135 transitions. Word has length 160 [2024-11-27 20:16:49,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:49,770 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 135 transitions. [2024-11-27 20:16:49,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:16:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2024-11-27 20:16:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:16:49,774 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:49,774 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:49,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-27 20:16:49,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:16:49,975 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:16:49,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:49,976 INFO L85 PathProgramCache]: Analyzing trace with hash 2029928350, now seen corresponding path program 1 times [2024-11-27 20:16:49,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:16:49,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208966300] [2024-11-27 20:16:49,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:16:49,977 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:16:49,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:16:49,979 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:16:49,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-27 20:16:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:16:50,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:16:50,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-27 20:16:52,385 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:53,255 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:16:53,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208966300] [2024-11-27 20:16:53,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208966300] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:53,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [860691040] [2024-11-27 20:16:53,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:16:53,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 20:16:53,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 20:16:53,269 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 20:16:53,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-27 20:16:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:16:54,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:16:54,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:55,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-27 20:16:55,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:56,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [860691040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:56,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:16:56,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2024-11-27 20:16:56,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557914785] [2024-11-27 20:16:56,048 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:16:56,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:16:56,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:16:56,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:16:56,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:16:56,050 INFO L87 Difference]: Start difference. First operand 86 states and 135 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-27 20:17:00,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:17:00,766 INFO L93 Difference]: Finished difference Result 373 states and 561 transitions. [2024-11-27 20:17:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 20:17:00,768 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 160 [2024-11-27 20:17:00,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:17:00,773 INFO L225 Difference]: With dead ends: 373 [2024-11-27 20:17:00,777 INFO L226 Difference]: Without dead ends: 285 [2024-11-27 20:17:00,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2024-11-27 20:17:00,780 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 405 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:17:00,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 510 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-27 20:17:00,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-27 20:17:00,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 250. [2024-11-27 20:17:00,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 168 states have (on average 1.3511904761904763) internal successors, (227), 168 states have internal predecessors, (227), 72 states have call successors, (72), 9 states have call predecessors, (72), 9 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-27 20:17:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 371 transitions. [2024-11-27 20:17:00,874 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 371 transitions. Word has length 160 [2024-11-27 20:17:00,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:17:00,875 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 371 transitions. [2024-11-27 20:17:00,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-27 20:17:00,878 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 371 transitions. [2024-11-27 20:17:00,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-27 20:17:00,881 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:17:00,881 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:17:00,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-27 20:17:01,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:17:01,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:17:01,286 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:17:01,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:17:01,287 INFO L85 PathProgramCache]: Analyzing trace with hash -3244450, now seen corresponding path program 1 times [2024-11-27 20:17:01,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:17:01,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181813871] [2024-11-27 20:17:01,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:17:01,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:17:01,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:17:01,290 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:17:01,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-27 20:17:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:17:01,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:17:01,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:17:02,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 443 proven. 51 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-27 20:17:02,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:17:03,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 20:17:03,068 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:17:03,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181813871] [2024-11-27 20:17:03,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181813871] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:17:03,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:17:03,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-27 20:17:03,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034291286] [2024-11-27 20:17:03,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:17:03,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:17:03,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:17:03,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:17:03,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:17:03,071 INFO L87 Difference]: Start difference. First operand 250 states and 371 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:17:03,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:17:03,181 INFO L93 Difference]: Finished difference Result 432 states and 644 transitions. [2024-11-27 20:17:03,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:17:03,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-27 20:17:03,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:17:03,192 INFO L225 Difference]: With dead ends: 432 [2024-11-27 20:17:03,193 INFO L226 Difference]: Without dead ends: 180 [2024-11-27 20:17:03,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 311 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:17:03,195 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 113 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:17:03,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 113 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:17:03,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-27 20:17:03,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 164. [2024-11-27 20:17:03,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 109 states have (on average 1.3027522935779816) internal successors, (142), 109 states have internal predecessors, (142), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-27 20:17:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 238 transitions. [2024-11-27 20:17:03,256 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 238 transitions. Word has length 160 [2024-11-27 20:17:03,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:17:03,261 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 238 transitions. [2024-11-27 20:17:03,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-27 20:17:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 238 transitions. [2024-11-27 20:17:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:17:03,264 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:17:03,264 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:17:03,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-27 20:17:03,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:17:03,465 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:17:03,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:17:03,466 INFO L85 PathProgramCache]: Analyzing trace with hash 722817792, now seen corresponding path program 1 times [2024-11-27 20:17:03,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:17:03,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322014963] [2024-11-27 20:17:03,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:17:03,467 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:17:03,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:17:03,472 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:17:03,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-27 20:17:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:17:03,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:17:03,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:17:04,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 569 proven. 30 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2024-11-27 20:17:04,286 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:17:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 39 proven. 30 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-27 20:17:05,227 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:17:05,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322014963] [2024-11-27 20:17:05,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322014963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:17:05,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:17:05,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-27 20:17:05,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779486712] [2024-11-27 20:17:05,228 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:17:05,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:17:05,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:17:05,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:17:05,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:17:05,235 INFO L87 Difference]: Start difference. First operand 164 states and 238 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-27 20:17:06,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:17:06,427 INFO L93 Difference]: Finished difference Result 343 states and 487 transitions. [2024-11-27 20:17:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:17:06,434 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 161 [2024-11-27 20:17:06,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:17:06,438 INFO L225 Difference]: With dead ends: 343 [2024-11-27 20:17:06,439 INFO L226 Difference]: Without dead ends: 182 [2024-11-27 20:17:06,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 313 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:17:06,442 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 268 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:17:06,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 183 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:17:06,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-27 20:17:06,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 170. [2024-11-27 20:17:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 113 states have (on average 1.176991150442478) internal successors, (133), 113 states have internal predecessors, (133), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-27 20:17:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 229 transitions. [2024-11-27 20:17:06,474 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 229 transitions. Word has length 161 [2024-11-27 20:17:06,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:17:06,475 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 229 transitions. [2024-11-27 20:17:06,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-27 20:17:06,476 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 229 transitions. [2024-11-27 20:17:06,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:17:06,478 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:17:06,478 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:17:06,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-27 20:17:06,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:17:06,679 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:17:06,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:17:06,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1115844802, now seen corresponding path program 1 times [2024-11-27 20:17:06,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:17:06,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054424568] [2024-11-27 20:17:06,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:17:06,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:17:06,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:17:06,683 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:17:06,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-27 20:17:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:17:06,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:17:06,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:17:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 616 proven. 132 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-11-27 20:17:11,613 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:17:18,892 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:17:18,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054424568] [2024-11-27 20:17:18,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2054424568] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:17:18,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1047715124] [2024-11-27 20:17:18,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:17:18,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 20:17:18,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 20:17:18,895 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 20:17:18,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-27 20:17:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:17:20,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 20:17:20,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:17:30,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 598 proven. 126 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-11-27 20:17:30,376 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:17:48,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1047715124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:17:48,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:17:48,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 23 [2024-11-27 20:17:48,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597281016] [2024-11-27 20:17:48,851 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:17:48,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-27 20:17:48,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:17:48,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-27 20:17:48,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=753, Unknown=1, NotChecked=0, Total=870 [2024-11-27 20:17:48,854 INFO L87 Difference]: Start difference. First operand 170 states and 229 transitions. Second operand has 23 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 23 states have internal predecessors, (107), 7 states have call successors, (43), 7 states have call predecessors, (43), 12 states have return successors, (44), 7 states have call predecessors, (44), 7 states have call successors, (44) [2024-11-27 20:18:18,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:18:44,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:18:44,548 INFO L93 Difference]: Finished difference Result 451 states and 574 transitions. [2024-11-27 20:18:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 20:18:44,549 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 23 states have internal predecessors, (107), 7 states have call successors, (43), 7 states have call predecessors, (43), 12 states have return successors, (44), 7 states have call predecessors, (44), 7 states have call successors, (44) Word has length 161 [2024-11-27 20:18:44,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:18:44,552 INFO L225 Difference]: With dead ends: 451 [2024-11-27 20:18:44,553 INFO L226 Difference]: Without dead ends: 284 [2024-11-27 20:18:44,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 42.7s TimeCoverageRelationStatistics Valid=588, Invalid=2491, Unknown=1, NotChecked=0, Total=3080 [2024-11-27 20:18:44,555 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 185 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 89 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:18:44,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 696 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 944 Invalid, 1 Unknown, 0 Unchecked, 37.8s Time] [2024-11-27 20:18:44,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-27 20:18:44,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 246. [2024-11-27 20:18:44,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 167 states have (on average 1.1317365269461077) internal successors, (189), 169 states have internal predecessors, (189), 60 states have call successors, (60), 18 states have call predecessors, (60), 18 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-27 20:18:44,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 309 transitions. [2024-11-27 20:18:44,610 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 309 transitions. Word has length 161 [2024-11-27 20:18:44,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:18:44,611 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 309 transitions. [2024-11-27 20:18:44,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 23 states have internal predecessors, (107), 7 states have call successors, (43), 7 states have call predecessors, (43), 12 states have return successors, (44), 7 states have call predecessors, (44), 7 states have call successors, (44) [2024-11-27 20:18:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 309 transitions. [2024-11-27 20:18:44,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:18:44,614 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:18:44,614 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:44,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:18:44,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-27 20:18:45,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:18:45,016 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:18:45,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:45,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1117691844, now seen corresponding path program 1 times [2024-11-27 20:18:45,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:18:45,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386837418] [2024-11-27 20:18:45,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:45,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:18:45,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:18:45,019 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:18:45,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc1be7f-60bb-4d54-b02a-fff47eae497c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-27 20:18:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:45,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-27 20:18:45,301 INFO L279 TraceCheckSpWp]: Computing forward predicates...