./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_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_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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_47ee3700-0187-4ff5-beef-c69963a07ca8/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 0cbadd5c8de40e45d11c8c9bd5d5aa33e26bba45cb60181d9a1abcae7f03bb4b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:23:13,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:23:13,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:23:13,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:23:13,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:23:13,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:23:13,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:23:13,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:23:13,521 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:23:13,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:23:13,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:23:13,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:23:13,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:23:13,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:23:13,524 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:23:13,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:23:13,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:23:13,525 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:23:13,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:23:13,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:23:13,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:23:13,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:23:13,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:23:13,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:23:13,526 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:23:13,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:23:13,526 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:23:13,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:23:13,527 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:23:13,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:23:13,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:23:13,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:23:13,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:23:13,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:23:13,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:23:13,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:23:13,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:23:13,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:23:13,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:23:13,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:23:13,529 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:23:13,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:23:13,530 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:23:13,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:23:13,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:23:13,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:23:13,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:23:13,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:23:13,530 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_47ee3700-0187-4ff5-beef-c69963a07ca8/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 -> 0cbadd5c8de40e45d11c8c9bd5d5aa33e26bba45cb60181d9a1abcae7f03bb4b [2024-11-28 02:23:13,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:23:13,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:23:13,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:23:13,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:23:13,951 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:23:13,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-11-28 02:23:17,358 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/data/a02fc1bf4/a7345931068641be90a51e42b626da58/FLAGe78f17107 [2024-11-28 02:23:17,727 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:23:17,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-11-28 02:23:17,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/data/a02fc1bf4/a7345931068641be90a51e42b626da58/FLAGe78f17107 [2024-11-28 02:23:17,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/data/a02fc1bf4/a7345931068641be90a51e42b626da58 [2024-11-28 02:23:17,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:23:17,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:23:17,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:23:17,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:23:17,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:23:17,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:23:17" (1/1) ... [2024-11-28 02:23:17,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4df9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:17, skipping insertion in model container [2024-11-28 02:23:17,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:23:17" (1/1) ... [2024-11-28 02:23:17,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:23:18,011 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_47ee3700-0187-4ff5-beef-c69963a07ca8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i[919,932] [2024-11-28 02:23:18,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:23:18,121 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:23:18,134 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_47ee3700-0187-4ff5-beef-c69963a07ca8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i[919,932] [2024-11-28 02:23:18,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:23:18,212 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:23:18,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18 WrapperNode [2024-11-28 02:23:18,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:23:18,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:23:18,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:23:18,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:23:18,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,289 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-11-28 02:23:18,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:23:18,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:23:18,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:23:18,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:23:18,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,323 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,356 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]. [2024-11-28 02:23:18,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,374 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:23:18,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:23:18,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:23:18,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:23:18,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (1/1) ... [2024-11-28 02:23:18,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:23:18,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:18,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:23:18,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:23:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:23:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:23:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:23:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:23:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:23:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:23:18,618 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:23:18,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:23:19,251 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-28 02:23:19,251 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:23:19,269 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:23:19,270 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:23:19,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:23:19 BoogieIcfgContainer [2024-11-28 02:23:19,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:23:19,275 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:23:19,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:23:19,280 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:23:19,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:23:17" (1/3) ... [2024-11-28 02:23:19,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a2427d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:23:19, skipping insertion in model container [2024-11-28 02:23:19,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:18" (2/3) ... [2024-11-28 02:23:19,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a2427d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:23:19, skipping insertion in model container [2024-11-28 02:23:19,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:23:19" (3/3) ... [2024-11-28 02:23:19,284 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-11-28 02:23:19,302 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:23:19,304 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i that has 2 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:23:19,405 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:23:19,428 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;@39c4c26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:23:19,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:23:19,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:23:19,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 02:23:19,457 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:23:19,458 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:19,459 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:23:19,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:19,467 INFO L85 PathProgramCache]: Analyzing trace with hash -705274678, now seen corresponding path program 1 times [2024-11-28 02:23:19,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:19,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060488505] [2024-11-28 02:23:19,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:19,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:19,929 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-28 02:23:19,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:19,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060488505] [2024-11-28 02:23:19,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060488505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:23:19,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839699146] [2024-11-28 02:23:19,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:19,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:19,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:19,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:23:19,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:23:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:20,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:23:20,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:23:20,363 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-28 02:23:20,364 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:23:20,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839699146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:20,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:23:20,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:23:20,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285962663] [2024-11-28 02:23:20,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:20,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:23:20,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:20,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:23:20,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:23:20,408 INFO L87 Difference]: Start difference. First operand has 81 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:23:20,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:23:20,456 INFO L93 Difference]: Finished difference Result 155 states and 272 transitions. [2024-11-28 02:23:20,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:23:20,458 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2024-11-28 02:23:20,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:23:20,466 INFO L225 Difference]: With dead ends: 155 [2024-11-28 02:23:20,466 INFO L226 Difference]: Without dead ends: 77 [2024-11-28 02:23:20,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:23:20,475 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 [2024-11-28 02:23:20,475 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] [2024-11-28 02:23:20,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-28 02:23:20,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-28 02:23:20,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 53 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:23:20,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 121 transitions. [2024-11-28 02:23:20,530 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 121 transitions. Word has length 149 [2024-11-28 02:23:20,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:23:20,531 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 121 transitions. [2024-11-28 02:23:20,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:23:20,531 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2024-11-28 02:23:20,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 02:23:20,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:23:20,535 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:20,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:23:20,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:23:20,743 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:23:20,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:20,744 INFO L85 PathProgramCache]: Analyzing trace with hash 558426822, now seen corresponding path program 1 times [2024-11-28 02:23:20,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:20,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321036952] [2024-11-28 02:23:20,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:21,348 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:23:21,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:21,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321036952] [2024-11-28 02:23:21,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321036952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:21,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:21,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:23:21,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347643326] [2024-11-28 02:23:21,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:21,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:23:21,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:21,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:23:21,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:23:21,357 INFO L87 Difference]: Start difference. First operand 77 states and 121 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:23:21,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:23:21,436 INFO L93 Difference]: Finished difference Result 151 states and 239 transitions. [2024-11-28 02:23:21,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:23:21,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2024-11-28 02:23:21,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:23:21,440 INFO L225 Difference]: With dead ends: 151 [2024-11-28 02:23:21,440 INFO L226 Difference]: Without dead ends: 77 [2024-11-28 02:23:21,441 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 [2024-11-28 02:23:21,442 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 72 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:23:21,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 106 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:23:21,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-28 02:23:21,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-28 02:23:21,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 53 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:23:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2024-11-28 02:23:21,459 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 149 [2024-11-28 02:23:21,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:23:21,461 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2024-11-28 02:23:21,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:23:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2024-11-28 02:23:21,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 02:23:21,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:23:21,465 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:21,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:23:21,465 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:23:21,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:21,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1961533112, now seen corresponding path program 1 times [2024-11-28 02:23:21,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:21,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51132505] [2024-11-28 02:23:21,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:21,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:22,245 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:23:22,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:22,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51132505] [2024-11-28 02:23:22,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51132505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:22,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:22,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:23:22,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600791139] [2024-11-28 02:23:22,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:22,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:23:22,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:22,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:23:22,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:23:22,247 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:23:22,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:23:22,907 INFO L93 Difference]: Finished difference Result 251 states and 403 transitions. [2024-11-28 02:23:22,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:23:22,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-11-28 02:23:22,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:23:22,913 INFO L225 Difference]: With dead ends: 251 [2024-11-28 02:23:22,913 INFO L226 Difference]: Without dead ends: 177 [2024-11-28 02:23:22,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:23:22,915 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 148 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:23:22,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 435 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:23:22,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-28 02:23:22,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 139. [2024-11-28 02:23:22,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 91 states have internal predecessors, (128), 44 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-28 02:23:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 216 transitions. [2024-11-28 02:23:22,956 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 216 transitions. Word has length 149 [2024-11-28 02:23:22,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:23:22,957 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 216 transitions. [2024-11-28 02:23:22,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:23:22,957 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 216 transitions. [2024-11-28 02:23:22,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 02:23:22,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:23:22,960 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:22,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:23:22,961 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:23:22,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:22,962 INFO L85 PathProgramCache]: Analyzing trace with hash 644490442, now seen corresponding path program 1 times [2024-11-28 02:23:22,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:22,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392653428] [2024-11-28 02:23:22,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:22,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:25,135 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:23:25,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:25,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392653428] [2024-11-28 02:23:25,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392653428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:25,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:25,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:23:25,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278443203] [2024-11-28 02:23:25,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:25,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:23:25,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:25,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:23:25,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:23:25,138 INFO L87 Difference]: Start difference. First operand 139 states and 216 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:23:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:23:25,841 INFO L93 Difference]: Finished difference Result 253 states and 404 transitions. [2024-11-28 02:23:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:23:25,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2024-11-28 02:23:25,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:23:25,845 INFO L225 Difference]: With dead ends: 253 [2024-11-28 02:23:25,845 INFO L226 Difference]: Without dead ends: 179 [2024-11-28 02:23:25,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:23:25,847 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 137 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:23:25,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 384 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:23:25,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-28 02:23:25,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 144. [2024-11-28 02:23:25,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 44 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-28 02:23:25,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 225 transitions. [2024-11-28 02:23:25,884 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 225 transitions. Word has length 149 [2024-11-28 02:23:25,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:23:25,885 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 225 transitions. [2024-11-28 02:23:25,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:23:25,886 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 225 transitions. [2024-11-28 02:23:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:23:25,888 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:23:25,888 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:25,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:23:25,889 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:23:25,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:25,889 INFO L85 PathProgramCache]: Analyzing trace with hash -780156358, now seen corresponding path program 1 times [2024-11-28 02:23:25,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:25,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937899610] [2024-11-28 02:23:25,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:25,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:27,711 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:23:27,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:27,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937899610] [2024-11-28 02:23:27,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937899610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:27,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:27,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:23:27,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523558393] [2024-11-28 02:23:27,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:27,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:23:27,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:27,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:23:27,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:23:27,716 INFO L87 Difference]: Start difference. First operand 144 states and 225 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:23:29,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:23:29,792 INFO L93 Difference]: Finished difference Result 436 states and 656 transitions. [2024-11-28 02:23:29,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:23:29,792 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), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-28 02:23:29,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:23:29,796 INFO L225 Difference]: With dead ends: 436 [2024-11-28 02:23:29,797 INFO L226 Difference]: Without dead ends: 362 [2024-11-28 02:23:29,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:23:29,798 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 330 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:23:29,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 944 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 02:23:29,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-28 02:23:29,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 257. [2024-11-28 02:23:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 198 states have (on average 1.4848484848484849) internal successors, (294), 201 states have internal predecessors, (294), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 02:23:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 398 transitions. [2024-11-28 02:23:29,878 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 398 transitions. Word has length 150 [2024-11-28 02:23:29,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:23:29,879 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 398 transitions. [2024-11-28 02:23:29,879 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), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:23:29,879 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 398 transitions. [2024-11-28 02:23:29,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:23:29,885 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:23:29,885 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:29,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:23:29,886 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:23:29,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:29,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1679730286, now seen corresponding path program 1 times [2024-11-28 02:23:29,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:29,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198310873] [2024-11-28 02:23:29,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:29,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:37,107 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:23:37,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:37,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198310873] [2024-11-28 02:23:37,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198310873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:37,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:37,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 02:23:37,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621517096] [2024-11-28 02:23:37,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:37,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 02:23:37,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:37,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 02:23:37,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:23:37,116 INFO L87 Difference]: Start difference. First operand 257 states and 398 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:23:39,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:23:39,992 INFO L93 Difference]: Finished difference Result 712 states and 1066 transitions. [2024-11-28 02:23:39,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 02:23:39,993 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-28 02:23:39,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:23:40,002 INFO L225 Difference]: With dead ends: 712 [2024-11-28 02:23:40,005 INFO L226 Difference]: Without dead ends: 535 [2024-11-28 02:23:40,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:23:40,007 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 372 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:23:40,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 595 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 02:23:40,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-28 02:23:40,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 295. [2024-11-28 02:23:40,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 236 states have (on average 1.4745762711864407) internal successors, (348), 239 states have internal predecessors, (348), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 02:23:40,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 452 transitions. [2024-11-28 02:23:40,062 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 452 transitions. Word has length 150 [2024-11-28 02:23:40,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:23:40,063 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 452 transitions. [2024-11-28 02:23:40,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:23:40,063 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 452 transitions. [2024-11-28 02:23:40,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:23:40,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:23:40,065 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:40,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:23:40,066 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:23:40,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:40,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1681577328, now seen corresponding path program 1 times [2024-11-28 02:23:40,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:40,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159995966] [2024-11-28 02:23:40,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:40,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:24:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:24:16,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:24:16,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159995966] [2024-11-28 02:24:16,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159995966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:24:16,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:24:16,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 02:24:16,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881840281] [2024-11-28 02:24:16,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:24:16,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 02:24:16,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:24:16,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 02:24:16,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:24:16,486 INFO L87 Difference]: Start difference. First operand 295 states and 452 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:19,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:24:19,495 INFO L93 Difference]: Finished difference Result 810 states and 1191 transitions. [2024-11-28 02:24:19,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:24:19,496 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-28 02:24:19,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:24:19,501 INFO L225 Difference]: With dead ends: 810 [2024-11-28 02:24:19,501 INFO L226 Difference]: Without dead ends: 633 [2024-11-28 02:24:19,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:24:19,503 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 255 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:24:19,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 706 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 02:24:19,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-28 02:24:19,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 247. [2024-11-28 02:24:19,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 195 states have (on average 1.4666666666666666) internal successors, (286), 196 states have internal predecessors, (286), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 02:24:19,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 378 transitions. [2024-11-28 02:24:19,551 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 378 transitions. Word has length 150 [2024-11-28 02:24:19,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:24:19,551 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 378 transitions. [2024-11-28 02:24:19,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:19,552 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 378 transitions. [2024-11-28 02:24:19,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:24:19,554 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:24:19,554 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:24:19,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:24:19,555 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:24:19,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:24:19,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1937895724, now seen corresponding path program 1 times [2024-11-28 02:24:19,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:24:19,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910507097] [2024-11-28 02:24:19,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:24:19,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:24:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:24:25,480 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:24:25,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:24:25,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910507097] [2024-11-28 02:24:25,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910507097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:24:25,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:24:25,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 02:24:25,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242372072] [2024-11-28 02:24:25,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:24:25,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 02:24:25,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:24:25,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 02:24:25,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:24:25,483 INFO L87 Difference]: Start difference. First operand 247 states and 378 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:27,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:24:27,242 INFO L93 Difference]: Finished difference Result 457 states and 650 transitions. [2024-11-28 02:24:27,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:24:27,243 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-28 02:24:27,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:24:27,246 INFO L225 Difference]: With dead ends: 457 [2024-11-28 02:24:27,247 INFO L226 Difference]: Without dead ends: 455 [2024-11-28 02:24:27,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:24:27,248 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 331 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:24:27,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 545 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:24:27,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-28 02:24:27,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 260. [2024-11-28 02:24:27,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 208 states have (on average 1.4615384615384615) internal successors, (304), 209 states have internal predecessors, (304), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 02:24:27,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 396 transitions. [2024-11-28 02:24:27,310 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 396 transitions. Word has length 150 [2024-11-28 02:24:27,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:24:27,312 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 396 transitions. [2024-11-28 02:24:27,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:27,313 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 396 transitions. [2024-11-28 02:24:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:24:27,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:24:27,315 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:24:27,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:24:27,320 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:24:27,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:24:27,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1939742766, now seen corresponding path program 1 times [2024-11-28 02:24:27,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:24:27,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680678116] [2024-11-28 02:24:27,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:24:27,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:24:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:24:34,844 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:24:34,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:24:34,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680678116] [2024-11-28 02:24:34,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680678116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:24:34,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:24:34,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 02:24:34,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046038160] [2024-11-28 02:24:34,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:24:34,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 02:24:34,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:24:34,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 02:24:34,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:24:34,848 INFO L87 Difference]: Start difference. First operand 260 states and 396 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:36,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:24:36,753 INFO L93 Difference]: Finished difference Result 455 states and 647 transitions. [2024-11-28 02:24:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:24:36,754 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-28 02:24:36,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:24:36,757 INFO L225 Difference]: With dead ends: 455 [2024-11-28 02:24:36,757 INFO L226 Difference]: Without dead ends: 453 [2024-11-28 02:24:36,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:24:36,758 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 221 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:24:36,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 625 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:24:36,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-28 02:24:36,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 252. [2024-11-28 02:24:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 200 states have (on average 1.47) internal successors, (294), 201 states have internal predecessors, (294), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 02:24:36,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 386 transitions. [2024-11-28 02:24:36,800 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 386 transitions. Word has length 150 [2024-11-28 02:24:36,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:24:36,800 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 386 transitions. [2024-11-28 02:24:36,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 386 transitions. [2024-11-28 02:24:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:24:36,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:24:36,804 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:24:36,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:24:36,804 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:24:36,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:24:36,805 INFO L85 PathProgramCache]: Analyzing trace with hash 91382384, now seen corresponding path program 1 times [2024-11-28 02:24:36,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:24:36,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724942632] [2024-11-28 02:24:36,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:24:36,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:24:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:24:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:24:36,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:24:36,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724942632] [2024-11-28 02:24:36,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724942632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:24:36,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:24:36,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:24:36,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597091740] [2024-11-28 02:24:36,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:24:36,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:24:36,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:24:36,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:24:36,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:24:36,892 INFO L87 Difference]: Start difference. First operand 252 states and 386 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:36,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:24:36,989 INFO L93 Difference]: Finished difference Result 556 states and 852 transitions. [2024-11-28 02:24:36,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:24:36,989 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-28 02:24:36,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:24:36,996 INFO L225 Difference]: With dead ends: 556 [2024-11-28 02:24:36,996 INFO L226 Difference]: Without dead ends: 383 [2024-11-28 02:24:36,997 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 [2024-11-28 02:24:36,997 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 99 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:24:36,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 314 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:24:36,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-28 02:24:37,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 381. [2024-11-28 02:24:37,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 302 states have (on average 1.4337748344370862) internal successors, (433), 304 states have internal predecessors, (433), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-28 02:24:37,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 573 transitions. [2024-11-28 02:24:37,072 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 573 transitions. Word has length 150 [2024-11-28 02:24:37,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:24:37,076 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 573 transitions. [2024-11-28 02:24:37,076 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:37,076 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 573 transitions. [2024-11-28 02:24:37,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:24:37,078 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:24:37,078 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:24:37,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:24:37,079 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:24:37,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:24:37,081 INFO L85 PathProgramCache]: Analyzing trace with hash 792446962, now seen corresponding path program 1 times [2024-11-28 02:24:37,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:24:37,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396067093] [2024-11-28 02:24:37,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:24:37,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:24:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:24:37,227 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:24:37,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:24:37,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396067093] [2024-11-28 02:24:37,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396067093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:24:37,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:24:37,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:24:37,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632506655] [2024-11-28 02:24:37,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:24:37,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:24:37,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:24:37,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:24:37,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:24:37,230 INFO L87 Difference]: Start difference. First operand 381 states and 573 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:37,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:24:37,597 INFO L93 Difference]: Finished difference Result 858 states and 1268 transitions. [2024-11-28 02:24:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:24:37,598 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-28 02:24:37,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:24:37,603 INFO L225 Difference]: With dead ends: 858 [2024-11-28 02:24:37,604 INFO L226 Difference]: Without dead ends: 570 [2024-11-28 02:24:37,607 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 [2024-11-28 02:24:37,610 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 99 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 394 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 [2024-11-28 02:24:37,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 394 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:24:37,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-28 02:24:37,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 526. [2024-11-28 02:24:37,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 419 states have (on average 1.4248210023866348) internal successors, (597), 422 states have internal predecessors, (597), 94 states have call successors, (94), 12 states have call predecessors, (94), 12 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 02:24:37,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 785 transitions. [2024-11-28 02:24:37,719 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 785 transitions. Word has length 150 [2024-11-28 02:24:37,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:24:37,720 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 785 transitions. [2024-11-28 02:24:37,720 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 785 transitions. [2024-11-28 02:24:37,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:24:37,727 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:24:37,727 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:24:37,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:24:37,727 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:24:37,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:24:37,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1050612400, now seen corresponding path program 1 times [2024-11-28 02:24:37,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:24:37,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620294864] [2024-11-28 02:24:37,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:24:37,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:24:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:24:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:24:41,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:24:41,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620294864] [2024-11-28 02:24:41,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620294864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:24:41,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:24:41,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 02:24:41,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871272983] [2024-11-28 02:24:41,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:24:41,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:24:41,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:24:41,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:24:41,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:24:41,034 INFO L87 Difference]: Start difference. First operand 526 states and 785 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:43,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:24:43,256 INFO L93 Difference]: Finished difference Result 826 states and 1147 transitions. [2024-11-28 02:24:43,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:24:43,256 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-28 02:24:43,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:24:43,262 INFO L225 Difference]: With dead ends: 826 [2024-11-28 02:24:43,263 INFO L226 Difference]: Without dead ends: 824 [2024-11-28 02:24:43,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:24:43,264 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 327 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:24:43,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 800 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 02:24:43,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2024-11-28 02:24:43,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 622. [2024-11-28 02:24:43,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 504 states have (on average 1.4087301587301588) internal successors, (710), 509 states have internal predecessors, (710), 102 states have call successors, (102), 15 states have call predecessors, (102), 15 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-28 02:24:43,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 914 transitions. [2024-11-28 02:24:43,402 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 914 transitions. Word has length 150 [2024-11-28 02:24:43,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:24:43,403 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 914 transitions. [2024-11-28 02:24:43,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 914 transitions. [2024-11-28 02:24:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:24:43,406 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:24:43,406 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:24:43,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:24:43,406 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:24:43,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:24:43,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1052459442, now seen corresponding path program 1 times [2024-11-28 02:24:43,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:24:43,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876052854] [2024-11-28 02:24:43,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:24:43,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:24:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:24:48,346 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:24:48,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:24:48,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876052854] [2024-11-28 02:24:48,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876052854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:24:48,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:24:48,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 02:24:48,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473092293] [2024-11-28 02:24:48,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:24:48,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:24:48,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:24:48,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:24:48,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:24:48,349 INFO L87 Difference]: Start difference. First operand 622 states and 914 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:52,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:24:52,214 INFO L93 Difference]: Finished difference Result 758 states and 1067 transitions. [2024-11-28 02:24:52,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:24:52,215 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-28 02:24:52,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:24:52,220 INFO L225 Difference]: With dead ends: 758 [2024-11-28 02:24:52,221 INFO L226 Difference]: Without dead ends: 756 [2024-11-28 02:24:52,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:24:52,222 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 398 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:24:52,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 740 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 02:24:52,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-28 02:24:52,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 622. [2024-11-28 02:24:52,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 504 states have (on average 1.4087301587301588) internal successors, (710), 509 states have internal predecessors, (710), 102 states have call successors, (102), 15 states have call predecessors, (102), 15 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-28 02:24:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 914 transitions. [2024-11-28 02:24:52,360 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 914 transitions. Word has length 150 [2024-11-28 02:24:52,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:24:52,361 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 914 transitions. [2024-11-28 02:24:52,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:52,361 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 914 transitions. [2024-11-28 02:24:52,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:24:52,365 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:24:52,365 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:24:52,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:24:52,365 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:24:52,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:24:52,366 INFO L85 PathProgramCache]: Analyzing trace with hash 862081836, now seen corresponding path program 1 times [2024-11-28 02:24:52,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:24:52,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388601175] [2024-11-28 02:24:52,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:24:52,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:24:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:24:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:24:52,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:24:52,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388601175] [2024-11-28 02:24:52,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388601175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:24:52,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:24:52,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:24:52,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408378408] [2024-11-28 02:24:52,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:24:52,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:24:52,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:24:52,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:24:52,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:24:52,967 INFO L87 Difference]: Start difference. First operand 622 states and 914 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-28 02:24:53,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:24:53,564 INFO L93 Difference]: Finished difference Result 1221 states and 1810 transitions. [2024-11-28 02:24:53,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:24:53,565 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 150 [2024-11-28 02:24:53,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:24:53,570 INFO L225 Difference]: With dead ends: 1221 [2024-11-28 02:24:53,570 INFO L226 Difference]: Without dead ends: 704 [2024-11-28 02:24:53,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:24:53,573 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 205 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:24:53,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 443 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:24:53,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-11-28 02:24:53,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 622. [2024-11-28 02:24:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 504 states have (on average 1.4047619047619047) internal successors, (708), 509 states have internal predecessors, (708), 102 states have call successors, (102), 15 states have call predecessors, (102), 15 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-28 02:24:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 912 transitions. [2024-11-28 02:24:53,705 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 912 transitions. Word has length 150 [2024-11-28 02:24:53,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:24:53,706 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 912 transitions. [2024-11-28 02:24:53,706 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-28 02:24:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 912 transitions. [2024-11-28 02:24:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:24:53,709 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:24:53,709 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:24:53,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:24:53,709 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:24:53,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:24:53,710 INFO L85 PathProgramCache]: Analyzing trace with hash 943425489, now seen corresponding path program 1 times [2024-11-28 02:24:53,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:24:53,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268388128] [2024-11-28 02:24:53,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:24:53,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:24:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:24:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:24:54,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:24:54,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268388128] [2024-11-28 02:24:54,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268388128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:24:54,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:24:54,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:24:54,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074871471] [2024-11-28 02:24:54,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:24:54,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:24:54,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:24:54,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:24:54,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:24:54,142 INFO L87 Difference]: Start difference. First operand 622 states and 912 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:24:54,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:24:54,619 INFO L93 Difference]: Finished difference Result 1230 states and 1776 transitions. [2024-11-28 02:24:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:24:54,620 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), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2024-11-28 02:24:54,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:24:54,625 INFO L225 Difference]: With dead ends: 1230 [2024-11-28 02:24:54,625 INFO L226 Difference]: Without dead ends: 709 [2024-11-28 02:24:54,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:24:54,629 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 191 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:24:54,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 228 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:24:54,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-28 02:24:54,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 700. [2024-11-28 02:24:54,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 560 states have (on average 1.3678571428571429) internal successors, (766), 569 states have internal predecessors, (766), 118 states have call successors, (118), 21 states have call predecessors, (118), 21 states have return successors, (118), 109 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-28 02:24:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1002 transitions. [2024-11-28 02:24:54,779 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1002 transitions. Word has length 150 [2024-11-28 02:24:54,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:24:54,779 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 1002 transitions. [2024-11-28 02:24:54,779 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), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:24:54,780 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1002 transitions. [2024-11-28 02:24:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:24:54,782 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:24:54,783 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:24:54,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:24:54,784 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:24:54,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:24:54,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1810085860, now seen corresponding path program 1 times [2024-11-28 02:24:54,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:24:54,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409858492] [2024-11-28 02:24:54,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:24:54,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:24:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:24:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:24:54,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:24:54,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409858492] [2024-11-28 02:24:54,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409858492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:24:54,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:24:54,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:24:54,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103771876] [2024-11-28 02:24:54,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:24:54,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:24:54,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:24:54,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:24:54,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:24:54,916 INFO L87 Difference]: Start difference. First operand 700 states and 1002 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:55,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:24:55,428 INFO L93 Difference]: Finished difference Result 1525 states and 2181 transitions. [2024-11-28 02:24:55,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:24:55,429 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-28 02:24:55,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:24:55,435 INFO L225 Difference]: With dead ends: 1525 [2024-11-28 02:24:55,435 INFO L226 Difference]: Without dead ends: 924 [2024-11-28 02:24:55,437 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 [2024-11-28 02:24:55,438 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 128 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:24:55,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 416 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:24:55,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-11-28 02:24:55,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 901. [2024-11-28 02:24:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 901 states, 723 states have (on average 1.3734439834024896) internal successors, (993), 735 states have internal predecessors, (993), 150 states have call successors, (150), 27 states have call predecessors, (150), 27 states have return successors, (150), 138 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-28 02:24:55,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1293 transitions. [2024-11-28 02:24:55,622 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1293 transitions. Word has length 151 [2024-11-28 02:24:55,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:24:55,623 INFO L471 AbstractCegarLoop]: Abstraction has 901 states and 1293 transitions. [2024-11-28 02:24:55,623 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:24:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1293 transitions. [2024-11-28 02:24:55,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:24:55,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:24:55,626 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:24:55,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:24:55,627 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:24:55,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:24:55,627 INFO L85 PathProgramCache]: Analyzing trace with hash 465352446, now seen corresponding path program 1 times [2024-11-28 02:24:55,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:24:55,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090627461] [2024-11-28 02:24:55,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:24:55,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:24:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:25:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:25:26,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:25:26,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090627461] [2024-11-28 02:25:26,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090627461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:25:26,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:25:26,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 02:25:26,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921186258] [2024-11-28 02:25:26,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:25:26,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 02:25:26,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:25:26,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 02:25:26,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:25:26,346 INFO L87 Difference]: Start difference. First operand 901 states and 1293 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:25:30,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:25:30,448 INFO L93 Difference]: Finished difference Result 2086 states and 2951 transitions. [2024-11-28 02:25:30,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:25:30,449 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-28 02:25:30,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:25:30,458 INFO L225 Difference]: With dead ends: 2086 [2024-11-28 02:25:30,458 INFO L226 Difference]: Without dead ends: 1496 [2024-11-28 02:25:30,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=221, Invalid=535, Unknown=0, NotChecked=0, Total=756 [2024-11-28 02:25:30,461 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 394 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:25:30,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 882 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:25:30,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2024-11-28 02:25:30,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 971. [2024-11-28 02:25:30,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 793 states have (on average 1.3783102143757882) internal successors, (1093), 805 states have internal predecessors, (1093), 150 states have call successors, (150), 27 states have call predecessors, (150), 27 states have return successors, (150), 138 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-28 02:25:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1393 transitions. [2024-11-28 02:25:30,696 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1393 transitions. Word has length 151 [2024-11-28 02:25:30,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:25:30,696 INFO L471 AbstractCegarLoop]: Abstraction has 971 states and 1393 transitions. [2024-11-28 02:25:30,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:25:30,697 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1393 transitions. [2024-11-28 02:25:30,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:25:30,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:25:30,699 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:25:30,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:25:30,700 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:25:30,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:25:30,701 INFO L85 PathProgramCache]: Analyzing trace with hash 467199488, now seen corresponding path program 1 times [2024-11-28 02:25:30,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:25:30,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350237442] [2024-11-28 02:25:30,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:30,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:25:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:26:14,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:14,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350237442] [2024-11-28 02:26:14,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350237442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:14,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:14,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 02:26:14,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312484200] [2024-11-28 02:26:14,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:14,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 02:26:14,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:14,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 02:26:14,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:26:14,032 INFO L87 Difference]: Start difference. First operand 971 states and 1393 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:26:21,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:26:21,270 INFO L93 Difference]: Finished difference Result 1472 states and 2040 transitions. [2024-11-28 02:26:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:26:21,271 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-28 02:26:21,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:26:21,279 INFO L225 Difference]: With dead ends: 1472 [2024-11-28 02:26:21,279 INFO L226 Difference]: Without dead ends: 1470 [2024-11-28 02:26:21,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=237, Invalid=633, Unknown=0, NotChecked=0, Total=870 [2024-11-28 02:26:21,281 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 553 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:26:21,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 962 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-28 02:26:21,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2024-11-28 02:26:21,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 971. [2024-11-28 02:26:21,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 793 states have (on average 1.3783102143757882) internal successors, (1093), 805 states have internal predecessors, (1093), 150 states have call successors, (150), 27 states have call predecessors, (150), 27 states have return successors, (150), 138 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-28 02:26:21,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1393 transitions. [2024-11-28 02:26:21,518 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1393 transitions. Word has length 151 [2024-11-28 02:26:21,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:26:21,519 INFO L471 AbstractCegarLoop]: Abstraction has 971 states and 1393 transitions. [2024-11-28 02:26:21,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:26:21,519 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1393 transitions. [2024-11-28 02:26:21,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:26:21,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:26:21,522 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:26:21,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:26:21,522 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:26:21,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:21,523 INFO L85 PathProgramCache]: Analyzing trace with hash 723517884, now seen corresponding path program 1 times [2024-11-28 02:26:21,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:21,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261103518] [2024-11-28 02:26:21,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:21,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:26:26,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:26,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261103518] [2024-11-28 02:26:26,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261103518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:26,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:26,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 02:26:26,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734943798] [2024-11-28 02:26:26,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:26,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 02:26:26,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:26,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 02:26:26,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:26:26,551 INFO L87 Difference]: Start difference. First operand 971 states and 1393 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:26:28,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:26:28,802 INFO L93 Difference]: Finished difference Result 1368 states and 1911 transitions. [2024-11-28 02:26:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:26:28,802 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-28 02:26:28,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:26:28,806 INFO L225 Difference]: With dead ends: 1368 [2024-11-28 02:26:28,807 INFO L226 Difference]: Without dead ends: 1366 [2024-11-28 02:26:28,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:26:28,808 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 369 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:26:28,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 783 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 02:26:28,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2024-11-28 02:26:29,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 986. [2024-11-28 02:26:29,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 808 states have (on average 1.3787128712871286) internal successors, (1114), 820 states have internal predecessors, (1114), 150 states have call successors, (150), 27 states have call predecessors, (150), 27 states have return successors, (150), 138 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-28 02:26:29,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1414 transitions. [2024-11-28 02:26:29,022 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1414 transitions. Word has length 151 [2024-11-28 02:26:29,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:26:29,023 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1414 transitions. [2024-11-28 02:26:29,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:26:29,023 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1414 transitions. [2024-11-28 02:26:29,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:26:29,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:26:29,025 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:26:29,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 02:26:29,025 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:26:29,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:29,026 INFO L85 PathProgramCache]: Analyzing trace with hash 725364926, now seen corresponding path program 1 times [2024-11-28 02:26:29,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:29,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197699742] [2024-11-28 02:26:29,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:29,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:26:36,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:36,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197699742] [2024-11-28 02:26:36,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197699742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:36,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:36,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 02:26:36,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063698305] [2024-11-28 02:26:36,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:36,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 02:26:36,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:36,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 02:26:36,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:26:36,363 INFO L87 Difference]: Start difference. First operand 986 states and 1414 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:26:39,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:26:39,719 INFO L93 Difference]: Finished difference Result 1366 states and 1908 transitions. [2024-11-28 02:26:39,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:26:39,720 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-28 02:26:39,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:26:39,725 INFO L225 Difference]: With dead ends: 1366 [2024-11-28 02:26:39,725 INFO L226 Difference]: Without dead ends: 1364 [2024-11-28 02:26:39,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:26:39,727 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 389 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:26:39,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 821 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 02:26:39,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2024-11-28 02:26:39,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 978. [2024-11-28 02:26:39,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 978 states, 800 states have (on average 1.38) internal successors, (1104), 812 states have internal predecessors, (1104), 150 states have call successors, (150), 27 states have call predecessors, (150), 27 states have return successors, (150), 138 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-28 02:26:39,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1404 transitions. [2024-11-28 02:26:39,919 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1404 transitions. Word has length 151 [2024-11-28 02:26:39,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:26:39,920 INFO L471 AbstractCegarLoop]: Abstraction has 978 states and 1404 transitions. [2024-11-28 02:26:39,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:26:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1404 transitions. [2024-11-28 02:26:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:26:39,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:26:39,922 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:26:39,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 02:26:39,923 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:26:39,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:39,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1285914010, now seen corresponding path program 1 times [2024-11-28 02:26:39,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:39,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859781571] [2024-11-28 02:26:39,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:39,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:40,122 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:26:40,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:40,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859781571] [2024-11-28 02:26:40,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859781571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:26:40,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373782713] [2024-11-28 02:26:40,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:40,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:26:40,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:26:40,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:26:40,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:26:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:40,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:26:40,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:26:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 301 proven. 51 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-28 02:26:40,465 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:26:40,699 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:26:40,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373782713] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:26:40,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:26:40,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-28 02:26:40,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562171949] [2024-11-28 02:26:40,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:26:40,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:26:40,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:40,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:26:40,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:26:40,702 INFO L87 Difference]: Start difference. First operand 978 states and 1404 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2024-11-28 02:26:41,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:26:41,040 INFO L93 Difference]: Finished difference Result 1336 states and 1882 transitions. [2024-11-28 02:26:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:26:41,042 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 151 [2024-11-28 02:26:41,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:26:41,045 INFO L225 Difference]: With dead ends: 1336 [2024-11-28 02:26:41,045 INFO L226 Difference]: Without dead ends: 420 [2024-11-28 02:26:41,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:26:41,047 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 61 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:26:41,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 311 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:26:41,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-28 02:26:41,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 412. [2024-11-28 02:26:41,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 298 states have (on average 1.2248322147651007) internal successors, (365), 301 states have internal predecessors, (365), 94 states have call successors, (94), 19 states have call predecessors, (94), 19 states have return successors, (94), 91 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 02:26:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 553 transitions. [2024-11-28 02:26:41,260 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 553 transitions. Word has length 151 [2024-11-28 02:26:41,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:26:41,261 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 553 transitions. [2024-11-28 02:26:41,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2024-11-28 02:26:41,263 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 553 transitions. [2024-11-28 02:26:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:26:41,264 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:26:41,264 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:26:41,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:26:41,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:26:41,468 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:26:41,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:41,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1178338907, now seen corresponding path program 1 times [2024-11-28 02:26:41,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:41,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76507053] [2024-11-28 02:26:41,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:41,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:26:48,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:48,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76507053] [2024-11-28 02:26:48,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76507053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:48,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:48,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 02:26:48,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864597880] [2024-11-28 02:26:48,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:48,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 02:26:48,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:48,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 02:26:48,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:26:48,609 INFO L87 Difference]: Start difference. First operand 412 states and 553 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:26:50,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:26:50,662 INFO L93 Difference]: Finished difference Result 797 states and 1058 transitions. [2024-11-28 02:26:50,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:26:50,667 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-28 02:26:50,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:26:50,672 INFO L225 Difference]: With dead ends: 797 [2024-11-28 02:26:50,672 INFO L226 Difference]: Without dead ends: 795 [2024-11-28 02:26:50,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:26:50,675 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 228 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:26:50,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 559 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:26:50,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-28 02:26:50,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 759. [2024-11-28 02:26:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 558 states have (on average 1.2329749103942653) internal successors, (688), 564 states have internal predecessors, (688), 166 states have call successors, (166), 34 states have call predecessors, (166), 34 states have return successors, (166), 160 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-28 02:26:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1020 transitions. [2024-11-28 02:26:50,842 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1020 transitions. Word has length 151 [2024-11-28 02:26:50,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:26:50,842 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1020 transitions. [2024-11-28 02:26:50,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:26:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1020 transitions. [2024-11-28 02:26:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:26:50,844 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:26:50,844 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:26:50,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 02:26:50,844 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:26:50,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:50,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1180185949, now seen corresponding path program 1 times [2024-11-28 02:26:50,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:50,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453509242] [2024-11-28 02:26:50,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:50,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:26:56,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:56,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453509242] [2024-11-28 02:26:56,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453509242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:56,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:56,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 02:26:56,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475210781] [2024-11-28 02:26:56,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:56,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 02:26:56,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:56,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 02:26:56,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:26:56,895 INFO L87 Difference]: Start difference. First operand 759 states and 1020 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:27:00,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:00,559 INFO L93 Difference]: Finished difference Result 795 states and 1055 transitions. [2024-11-28 02:27:00,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:27:00,560 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-28 02:27:00,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:00,563 INFO L225 Difference]: With dead ends: 795 [2024-11-28 02:27:00,564 INFO L226 Difference]: Without dead ends: 793 [2024-11-28 02:27:00,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-11-28 02:27:00,565 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 252 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:00,565 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 654 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-28 02:27:00,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-28 02:27:00,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 744. [2024-11-28 02:27:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 543 states have (on average 1.2302025782688766) internal successors, (668), 549 states have internal predecessors, (668), 166 states have call successors, (166), 34 states have call predecessors, (166), 34 states have return successors, (166), 160 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-28 02:27:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1000 transitions. [2024-11-28 02:27:00,790 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1000 transitions. Word has length 151 [2024-11-28 02:27:00,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:00,791 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1000 transitions. [2024-11-28 02:27:00,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:27:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1000 transitions. [2024-11-28 02:27:00,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:27:00,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:00,795 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:00,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 02:27:00,795 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:27:00,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:00,796 INFO L85 PathProgramCache]: Analyzing trace with hash 232988646, now seen corresponding path program 1 times [2024-11-28 02:27:00,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:00,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625439550] [2024-11-28 02:27:00,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:00,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:27:01,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:01,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625439550] [2024-11-28 02:27:01,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625439550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:27:01,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759134526] [2024-11-28 02:27:01,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:01,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:27:01,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:01,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:27:01,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:27:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:01,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:27:01,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 211 proven. 6 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2024-11-28 02:27:01,545 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:27:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:27:01,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759134526] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:27:01,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:27:01,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 13 [2024-11-28 02:27:01,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164360607] [2024-11-28 02:27:01,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:27:01,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:27:01,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:01,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:27:01,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:27:01,916 INFO L87 Difference]: Start difference. First operand 744 states and 1000 transitions. Second operand has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 5 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 5 states have call predecessors, (66), 5 states have call successors, (66) [2024-11-28 02:27:03,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:03,093 INFO L93 Difference]: Finished difference Result 1838 states and 2431 transitions. [2024-11-28 02:27:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 02:27:03,094 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 5 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 5 states have call predecessors, (66), 5 states have call successors, (66) Word has length 151 [2024-11-28 02:27:03,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:03,102 INFO L225 Difference]: With dead ends: 1838 [2024-11-28 02:27:03,102 INFO L226 Difference]: Without dead ends: 1160 [2024-11-28 02:27:03,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=214, Invalid=488, Unknown=0, NotChecked=0, Total=702 [2024-11-28 02:27:03,106 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 253 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:03,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 395 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:27:03,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-28 02:27:03,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1118. [2024-11-28 02:27:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 814 states have (on average 1.2002457002457003) internal successors, (977), 828 states have internal predecessors, (977), 246 states have call successors, (246), 57 states have call predecessors, (246), 57 states have return successors, (246), 232 states have call predecessors, (246), 246 states have call successors, (246) [2024-11-28 02:27:03,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1469 transitions. [2024-11-28 02:27:03,471 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1469 transitions. Word has length 151 [2024-11-28 02:27:03,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:03,472 INFO L471 AbstractCegarLoop]: Abstraction has 1118 states and 1469 transitions. [2024-11-28 02:27:03,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 5 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 5 states have call predecessors, (66), 5 states have call successors, (66) [2024-11-28 02:27:03,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1469 transitions. [2024-11-28 02:27:03,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:27:03,474 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:03,474 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:03,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:03,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-28 02:27:03,675 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:27:03,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:03,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1540325407, now seen corresponding path program 1 times [2024-11-28 02:27:03,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:03,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35963808] [2024-11-28 02:27:03,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:03,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:27:03,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:03,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35963808] [2024-11-28 02:27:03,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35963808] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:27:03,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118658687] [2024-11-28 02:27:03,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:03,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:27:03,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:03,861 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:27:03,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:27:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:04,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:27:04,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:04,212 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 481 proven. 33 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-28 02:27:04,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:27:04,433 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:27:04,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118658687] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:27:04,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:27:04,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-28 02:27:04,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016449292] [2024-11-28 02:27:04,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:27:04,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:27:04,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:04,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:27:04,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:27:04,435 INFO L87 Difference]: Start difference. First operand 1118 states and 1469 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 3 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-28 02:27:05,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:05,017 INFO L93 Difference]: Finished difference Result 2231 states and 2899 transitions. [2024-11-28 02:27:05,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:27:05,018 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 3 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 151 [2024-11-28 02:27:05,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:05,028 INFO L225 Difference]: With dead ends: 2231 [2024-11-28 02:27:05,029 INFO L226 Difference]: Without dead ends: 1184 [2024-11-28 02:27:05,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:27:05,033 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 63 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:05,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 210 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:27:05,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-11-28 02:27:05,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1162. [2024-11-28 02:27:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 847 states have (on average 1.1865407319952774) internal successors, (1005), 861 states have internal predecessors, (1005), 246 states have call successors, (246), 68 states have call predecessors, (246), 68 states have return successors, (246), 232 states have call predecessors, (246), 246 states have call successors, (246) [2024-11-28 02:27:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1497 transitions. [2024-11-28 02:27:05,302 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1497 transitions. Word has length 151 [2024-11-28 02:27:05,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:05,303 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1497 transitions. [2024-11-28 02:27:05,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 3 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-28 02:27:05,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1497 transitions. [2024-11-28 02:27:05,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:27:05,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:05,305 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:05,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:27:05,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-28 02:27:05,505 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:27:05,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:05,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1065698147, now seen corresponding path program 1 times [2024-11-28 02:27:05,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:05,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195953679] [2024-11-28 02:27:05,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:05,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:05,838 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:27:05,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:05,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195953679] [2024-11-28 02:27:05,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195953679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:05,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:05,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:27:05,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20898358] [2024-11-28 02:27:05,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:05,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:27:05,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:05,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:27:05,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:27:05,841 INFO L87 Difference]: Start difference. First operand 1162 states and 1497 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:27:06,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:06,577 INFO L93 Difference]: Finished difference Result 2261 states and 2912 transitions. [2024-11-28 02:27:06,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:27:06,578 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), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-28 02:27:06,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:06,583 INFO L225 Difference]: With dead ends: 2261 [2024-11-28 02:27:06,583 INFO L226 Difference]: Without dead ends: 1182 [2024-11-28 02:27:06,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:27:06,586 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 94 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:06,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 379 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:27:06,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2024-11-28 02:27:06,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1162. [2024-11-28 02:27:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 846 states have (on average 1.1832151300236406) internal successors, (1001), 860 states have internal predecessors, (1001), 246 states have call successors, (246), 69 states have call predecessors, (246), 69 states have return successors, (246), 232 states have call predecessors, (246), 246 states have call successors, (246) [2024-11-28 02:27:06,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1493 transitions. [2024-11-28 02:27:06,836 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1493 transitions. Word has length 151 [2024-11-28 02:27:06,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:06,836 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1493 transitions. [2024-11-28 02:27:06,836 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), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:27:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1493 transitions. [2024-11-28 02:27:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 02:27:06,838 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:06,838 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:06,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 02:27:06,838 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:27:06,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:06,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1171362359, now seen corresponding path program 1 times [2024-11-28 02:27:06,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:06,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472619836] [2024-11-28 02:27:06,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:06,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:18,760 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 93 proven. 78 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2024-11-28 02:27:18,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:18,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472619836] [2024-11-28 02:27:18,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472619836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:27:18,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455881920] [2024-11-28 02:27:18,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:18,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:27:18,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:18,762 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:27:18,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:27:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:18,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 02:27:18,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 634 proven. 141 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-28 02:27:21,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:27:25,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455881920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:27:25,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:27:25,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 29 [2024-11-28 02:27:25,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674870775] [2024-11-28 02:27:25,990 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:27:25,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 02:27:25,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:25,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 02:27:25,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=962, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 02:27:25,992 INFO L87 Difference]: Start difference. First operand 1162 states and 1493 transitions. Second operand has 29 states, 27 states have (on average 3.925925925925926) internal successors, (106), 27 states have internal predecessors, (106), 14 states have call successors, (44), 7 states have call predecessors, (44), 10 states have return successors, (44), 11 states have call predecessors, (44), 14 states have call successors, (44) [2024-11-28 02:27:55,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:55,878 INFO L93 Difference]: Finished difference Result 2247 states and 2766 transitions. [2024-11-28 02:27:55,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-11-28 02:27:55,879 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 3.925925925925926) internal successors, (106), 27 states have internal predecessors, (106), 14 states have call successors, (44), 7 states have call predecessors, (44), 10 states have return successors, (44), 11 states have call predecessors, (44), 14 states have call successors, (44) Word has length 152 [2024-11-28 02:27:55,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:55,886 INFO L225 Difference]: With dead ends: 2247 [2024-11-28 02:27:55,886 INFO L226 Difference]: Without dead ends: 1720 [2024-11-28 02:27:55,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2985 ImplicationChecksByTransitivity, 30.4s TimeCoverageRelationStatistics Valid=1603, Invalid=8297, Unknown=0, NotChecked=0, Total=9900 [2024-11-28 02:27:55,891 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 931 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 2033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:55,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 958 Invalid, 2033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-28 02:27:55,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2024-11-28 02:27:56,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 954. [2024-11-28 02:27:56,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 682 states have (on average 1.1612903225806452) internal successors, (792), 685 states have internal predecessors, (792), 186 states have call successors, (186), 85 states have call predecessors, (186), 85 states have return successors, (186), 183 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-28 02:27:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1164 transitions. [2024-11-28 02:27:56,237 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1164 transitions. Word has length 152 [2024-11-28 02:27:56,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:56,237 INFO L471 AbstractCegarLoop]: Abstraction has 954 states and 1164 transitions. [2024-11-28 02:27:56,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 3.925925925925926) internal successors, (106), 27 states have internal predecessors, (106), 14 states have call successors, (44), 7 states have call predecessors, (44), 10 states have return successors, (44), 11 states have call predecessors, (44), 14 states have call successors, (44) [2024-11-28 02:27:56,238 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1164 transitions. [2024-11-28 02:27:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 02:27:56,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:56,239 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:56,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 02:27:56,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-28 02:27:56,439 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:27:56,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:56,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1109358928, now seen corresponding path program 1 times [2024-11-28 02:27:56,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:56,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822803942] [2024-11-28 02:27:56,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:56,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:27:56,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478337508] [2024-11-28 02:27:56,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:56,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:27:56,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:56,522 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:27:56,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 02:27:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:56,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 02:27:56,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:58,022 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 514 proven. 69 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2024-11-28 02:27:58,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:28:00,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:00,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822803942] [2024-11-28 02:28:00,892 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:28:00,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478337508] [2024-11-28 02:28:00,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478337508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:28:00,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:28:00,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 02:28:00,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492561484] [2024-11-28 02:28:00,892 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:28:00,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:28:00,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:00,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:28:00,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:28:00,895 INFO L87 Difference]: Start difference. First operand 954 states and 1164 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-28 02:28:01,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:01,744 INFO L93 Difference]: Finished difference Result 1577 states and 1899 transitions. [2024-11-28 02:28:01,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:28:01,745 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 153 [2024-11-28 02:28:01,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:01,753 INFO L225 Difference]: With dead ends: 1577 [2024-11-28 02:28:01,753 INFO L226 Difference]: Without dead ends: 1026 [2024-11-28 02:28:01,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:28:01,756 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 151 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:01,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 474 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:28:01,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-28 02:28:02,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1010. [2024-11-28 02:28:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 724 states have (on average 1.1464088397790055) internal successors, (830), 727 states have internal predecessors, (830), 186 states have call successors, (186), 99 states have call predecessors, (186), 99 states have return successors, (186), 183 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-28 02:28:02,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1202 transitions. [2024-11-28 02:28:02,065 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1202 transitions. Word has length 153 [2024-11-28 02:28:02,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:02,065 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1202 transitions. [2024-11-28 02:28:02,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-28 02:28:02,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1202 transitions. [2024-11-28 02:28:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 02:28:02,066 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:02,067 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:02,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 02:28:02,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-28 02:28:02,267 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:28:02,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:02,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1107511886, now seen corresponding path program 1 times [2024-11-28 02:28:02,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:02,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159684925] [2024-11-28 02:28:02,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:02,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:28:02,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524183679] [2024-11-28 02:28:02,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:02,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:28:02,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:28:02,353 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:28:02,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 02:28:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:28:02,534 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:28:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:28:02,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:28:02,727 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:28:02,729 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:28:02,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 02:28:02,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-28 02:28:02,938 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, 1, 1, 1] [2024-11-28 02:28:03,112 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:28:03,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:28:03 BoogieIcfgContainer [2024-11-28 02:28:03,117 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:28:03,118 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:28:03,118 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:28:03,118 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:28:03,119 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:23:19" (3/4) ... [2024-11-28 02:28:03,122 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:28:03,123 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:28:03,124 INFO L158 Benchmark]: Toolchain (without parser) took 285340.73ms. Allocated memory was 142.6MB in the beginning and 721.4MB in the end (delta: 578.8MB). Free memory was 119.1MB in the beginning and 451.0MB in the end (delta: -331.9MB). Peak memory consumption was 248.9MB. Max. memory is 16.1GB. [2024-11-28 02:28:03,125 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:28:03,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.23ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 104.2MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:28:03,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.61ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 101.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:28:03,126 INFO L158 Benchmark]: Boogie Preprocessor took 101.63ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 96.4MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:28:03,127 INFO L158 Benchmark]: RCFGBuilder took 874.66ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 73.3MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:28:03,127 INFO L158 Benchmark]: TraceAbstraction took 283841.47ms. Allocated memory was 142.6MB in the beginning and 721.4MB in the end (delta: 578.8MB). Free memory was 72.6MB in the beginning and 451.1MB in the end (delta: -378.5MB). Peak memory consumption was 207.0MB. Max. memory is 16.1GB. [2024-11-28 02:28:03,127 INFO L158 Benchmark]: Witness Printer took 5.83ms. Allocated memory is still 721.4MB. Free memory was 451.1MB in the beginning and 451.0MB in the end (delta: 149.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:28:03,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.23ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 104.2MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.61ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 101.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 101.63ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 96.4MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 874.66ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 73.3MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 283841.47ms. Allocated memory was 142.6MB in the beginning and 721.4MB in the end (delta: 578.8MB). Free memory was 72.6MB in the beginning and 451.1MB in the end (delta: -378.5MB). Peak memory consumption was 207.0MB. Max. memory is 16.1GB. * Witness Printer took 5.83ms. Allocated memory is still 721.4MB. Free memory was 451.1MB in the beginning and 451.0MB in the end (delta: 149.9kB). Peak memory consumption was 8.4MB. 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 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 172, overapproximation of someBinaryDOUBLEComparisonOperation at line 170, overapproximation of someBinaryDOUBLEComparisonOperation at line 178, overapproximation of someBinaryDOUBLEComparisonOperation at line 86. 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] double var_1_39 = 3.6; [L46] double var_1_40 = 24.25; [L47] double var_1_41 = 31.25; [L48] unsigned long int var_1_42 = 10; [L49] 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_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] [L182] isInitial = 1 [L183] FCALL initially() [L185] CALL updateLastVariables() [L175] 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_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] [L185] RET updateLastVariables() [L186] CALL updateVariables() [L139] var_1_3 = __VERIFIER_nondet_char() [L140] 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_39=18/5, var_1_3=25, 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_39=18/5, var_1_3=25, 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] [L140] 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_39=18/5, var_1_3=25, 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] 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_39=18/5, var_1_3=25, 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_39=18/5, var_1_3=25, 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_39=18/5, var_1_3=25, 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] var_1_4 = __VERIFIER_nondet_char() [L143] 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L143] 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L145] var_1_6 = __VERIFIER_nondet_char() [L146] 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L146] 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L147] 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L147] 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L148] var_1_7 = __VERIFIER_nondet_char() [L149] 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L149] 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L150] 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L150] 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L151] var_1_10 = __VERIFIER_nondet_ushort() [L152] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L152] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L153] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L153] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L154] var_1_11 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L155] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L156] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L156] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L157] var_1_14 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L158] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [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=-16386, var_1_11=32767, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, 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=-16386, var_1_11=32767, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L160] var_1_20 = __VERIFIER_nondet_short() [L161] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L161] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L162] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L162] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L163] var_1_21 = __VERIFIER_nondet_short() [L164] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L164] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L165] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L165] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L166] var_1_29 = __VERIFIER_nondet_long() [L167] CALL assume_abort_if_not(var_1_29 >= -2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L167] RET assume_abort_if_not(var_1_29 >= -2147483646) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L168] CALL assume_abort_if_not(var_1_29 <= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L168] RET assume_abort_if_not(var_1_29 <= -1073741823) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L169] var_1_40 = __VERIFIER_nondet_double() [L170] 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=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L170] 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=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L171] var_1_41 = __VERIFIER_nondet_double() [L172] 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=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L172] 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=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L186] RET updateVariables() [L187] CALL step() [L53] signed char stepLocal_1 = var_1_6; [L54] unsigned char stepLocal_0 = last_1_var_1_12; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_1=89, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L55] COND FALSE !(-25 == stepLocal_1) [L60] 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=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L62] COND FALSE !(var_1_10 <= (~ ((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6))))) [L73] var_1_42 = var_1_7 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L75] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_2=26, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L76] COND TRUE var_1_8 >= stepLocal_2 [L77] var_1_12 = (! var_1_14) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, 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=25, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L79] COND FALSE !(((((((((var_1_21) > (var_1_7)) ? (var_1_21) : (var_1_7)))) > (var_1_19)) ? (((((var_1_21) > (var_1_7)) ? (var_1_21) : (var_1_7)))) : (var_1_19))) > var_1_7) [L84] var_1_36 = var_1_7 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, 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=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=18/5, var_1_3=25, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L86] 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=-16386, var_1_11=32767, 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=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L87] COND TRUE \read(var_1_12) [L88] var_1_1 = (var_1_3 + var_1_4) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, 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=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L90] COND TRUE var_1_8 > var_1_18 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, 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=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L91] COND TRUE var_1_29 < var_1_18 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, 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=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L92] COND TRUE var_1_29 <= (-64 & var_1_18) [L93] var_1_31 = ((((var_1_7) > (((((8) < (var_1_7)) ? (8) : (var_1_7))))) ? (var_1_7) : (((((8) < (var_1_7)) ? (8) : (var_1_7)))))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, 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=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L99] 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=-16386, var_1_11=32767, 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=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L100] COND TRUE \read(var_1_12) [L101] var_1_5 = 8.25 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, 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=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L104] signed char stepLocal_4 = var_1_6; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_4=89, var_1_10=-16386, var_1_11=32767, 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=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L105] COND TRUE var_1_1 < stepLocal_4 [L106] var_1_18 = (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L110] COND TRUE \read(var_1_12) [L111] 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=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L113] COND FALSE !(var_1_4 > var_1_6) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L118] COND FALSE !(-64 > (var_1_6 + var_1_19)) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L121] COND FALSE !(! var_1_12) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L127] var_1_26 = var_1_7 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L128] COND FALSE !(((((-256) < 0 ) ? -(-256) : (-256))) < var_1_4) [L131] var_1_28 = var_1_29 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L133] 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=32767, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L134] COND FALSE !(var_1_19 > stepLocal_3) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L187] RET step() [L188] CALL, EXPR property() [L178-L179] 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=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L188] RET, EXPR property() [L188] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 283.6s, OverallIterations: 29, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 77.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7105 SdHoareTripleChecker+Valid, 32.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7051 mSDsluCounter, 15184 SdHoareTripleChecker+Invalid, 29.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11853 mSDsCounter, 859 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15078 IncrementalHoareTripleChecker+Invalid, 15937 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 859 mSolverCounterUnsat, 3331 mSDtfsCounter, 15078 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2004 GetRequests, 1559 SyntacticMatches, 0 SemanticMatches, 445 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3779 ImplicationChecksByTransitivity, 67.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1162occurred in iteration=25, InterpolantAutomatonStates: 392, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.3s AutomataMinimizationTime, 28 MinimizatonAttempts, 4445 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 195.5s InterpolantComputationTime, 5425 NumberOfCodeBlocks, 5425 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 5383 ConstructedInterpolants, 1 QuantifiedInterpolants, 66195 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2191 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 36 InterpolantComputations, 23 PerfectInterpolantSequences, 32664/33264 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 [2024-11-28 02:28:03,346 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-28 02:28:03,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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_47ee3700-0187-4ff5-beef-c69963a07ca8/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 0cbadd5c8de40e45d11c8c9bd5d5aa33e26bba45cb60181d9a1abcae7f03bb4b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:28:06,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:28:06,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:28:06,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:28:06,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:28:06,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:28:06,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:28:06,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:28:06,510 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:28:06,510 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:28:06,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:28:06,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:28:06,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:28:06,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:28:06,511 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:28:06,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:28:06,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:28:06,511 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:28:06,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:28:06,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:28:06,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:28:06,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:28:06,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:28:06,512 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:28:06,512 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:28:06,513 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:28:06,513 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:28:06,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:28:06,513 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:28:06,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:28:06,513 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:28:06,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:28:06,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:28:06,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:28:06,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:28:06,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:28:06,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:28:06,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:28:06,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:28:06,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:28:06,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:28:06,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:28:06,515 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:28:06,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:28:06,515 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:28:06,515 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:28:06,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:28:06,515 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:28:06,515 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:28:06,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:28:06,516 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_47ee3700-0187-4ff5-beef-c69963a07ca8/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 -> 0cbadd5c8de40e45d11c8c9bd5d5aa33e26bba45cb60181d9a1abcae7f03bb4b [2024-11-28 02:28:06,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:28:06,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:28:06,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:28:06,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:28:06,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:28:06,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-11-28 02:28:10,230 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/data/6dea7fcdf/a64d047a5b434bd28244baddc22666a1/FLAG738016c9c [2024-11-28 02:28:10,559 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:28:10,564 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-11-28 02:28:10,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/data/6dea7fcdf/a64d047a5b434bd28244baddc22666a1/FLAG738016c9c [2024-11-28 02:28:10,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/data/6dea7fcdf/a64d047a5b434bd28244baddc22666a1 [2024-11-28 02:28:10,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:28:10,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:28:10,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:28:10,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:28:10,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:28:10,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:28:10" (1/1) ... [2024-11-28 02:28:10,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446776be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:10, skipping insertion in model container [2024-11-28 02:28:10,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:28:10" (1/1) ... [2024-11-28 02:28:10,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:28:10,873 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_47ee3700-0187-4ff5-beef-c69963a07ca8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i[919,932] [2024-11-28 02:28:11,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:28:11,053 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:28:11,070 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_47ee3700-0187-4ff5-beef-c69963a07ca8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i[919,932] [2024-11-28 02:28:11,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:28:11,212 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:28:11,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11 WrapperNode [2024-11-28 02:28:11,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:28:11,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:28:11,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:28:11,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:28:11,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,304 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2024-11-28 02:28:11,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:28:11,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:28:11,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:28:11,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:28:11,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,338 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,372 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]. [2024-11-28 02:28:11,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,394 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:28:11,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:28:11,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:28:11,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:28:11,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (1/1) ... [2024-11-28 02:28:11,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:28:11,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:28:11,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:28:11,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:28:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:28:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:28:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:28:11,520 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:28:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:28:11,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:28:11,672 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:28:11,675 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:28:12,378 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-28 02:28:12,379 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:28:12,397 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:28:12,398 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:28:12,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:28:12 BoogieIcfgContainer [2024-11-28 02:28:12,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:28:12,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:28:12,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:28:12,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:28:12,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:28:10" (1/3) ... [2024-11-28 02:28:12,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f44b0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:28:12, skipping insertion in model container [2024-11-28 02:28:12,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:28:11" (2/3) ... [2024-11-28 02:28:12,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f44b0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:28:12, skipping insertion in model container [2024-11-28 02:28:12,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:28:12" (3/3) ... [2024-11-28 02:28:12,420 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-11-28 02:28:12,441 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:28:12,444 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i that has 2 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:28:12,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:28:12,538 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;@2c2480e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:28:12,539 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:28:12,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:28:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 02:28:12,562 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:12,563 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:12,564 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:28:12,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:12,569 INFO L85 PathProgramCache]: Analyzing trace with hash -705274678, now seen corresponding path program 1 times [2024-11-28 02:28:12,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:28:12,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134010822] [2024-11-28 02:28:12,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:12,584 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 [2024-11-28 02:28:12,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:28:12,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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) [2024-11-28 02:28:12,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 [2024-11-28 02:28:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:12,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:28:12,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:28:13,049 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-28 02:28:13,053 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:28:13,054 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:28:13,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134010822] [2024-11-28 02:28:13,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134010822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:13,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:13,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:28:13,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123689709] [2024-11-28 02:28:13,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:13,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:28:13,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:28:13,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:28:13,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:28:13,102 INFO L87 Difference]: Start difference. First operand has 81 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:28:13,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:13,160 INFO L93 Difference]: Finished difference Result 155 states and 272 transitions. [2024-11-28 02:28:13,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:28:13,163 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2024-11-28 02:28:13,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:13,175 INFO L225 Difference]: With dead ends: 155 [2024-11-28 02:28:13,177 INFO L226 Difference]: Without dead ends: 77 [2024-11-28 02:28:13,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:28:13,190 INFO L435 NwaCegarLoop]: 120 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, 120 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 [2024-11-28 02:28:13,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:28:13,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-28 02:28:13,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-28 02:28:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 53 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:28:13,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2024-11-28 02:28:13,260 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 149 [2024-11-28 02:28:13,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:13,261 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2024-11-28 02:28:13,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:28:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2024-11-28 02:28:13,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 02:28:13,266 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:13,267 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:13,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 [2024-11-28 02:28:13,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 [2024-11-28 02:28:13,469 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:28:13,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:13,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1961533112, now seen corresponding path program 1 times [2024-11-28 02:28:13,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:28:13,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974225277] [2024-11-28 02:28:13,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:13,472 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 [2024-11-28 02:28:13,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:28:13,476 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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) [2024-11-28 02:28:13,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 [2024-11-28 02:28:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:13,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:28:13,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:28:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 548 proven. 75 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-28 02:28:15,842 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:28:16,604 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:28:16,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974225277] [2024-11-28 02:28:16,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1974225277] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:28:16,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2051283720] [2024-11-28 02:28:16,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:16,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:28:16,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:28:16,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:28:16,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-28 02:28:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:17,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:28:17,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:28:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 548 proven. 75 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-28 02:28:18,923 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:28:19,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2051283720] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:28:19,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:28:19,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-11-28 02:28:19,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992374707] [2024-11-28 02:28:19,498 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:28:19,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:28:19,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:28:19,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:28:19,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:28:19,503 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-28 02:28:20,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:20,842 INFO L93 Difference]: Finished difference Result 237 states and 370 transitions. [2024-11-28 02:28:20,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:28:20,847 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 149 [2024-11-28 02:28:20,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:20,850 INFO L225 Difference]: With dead ends: 237 [2024-11-28 02:28:20,851 INFO L226 Difference]: Without dead ends: 163 [2024-11-28 02:28:20,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:28:20,853 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 178 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:20,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 347 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:28:20,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-28 02:28:20,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 144. [2024-11-28 02:28:20,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 95 states have (on average 1.368421052631579) internal successors, (130), 95 states have internal predecessors, (130), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-28 02:28:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 218 transitions. [2024-11-28 02:28:20,883 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 218 transitions. Word has length 149 [2024-11-28 02:28:20,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:20,884 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 218 transitions. [2024-11-28 02:28:20,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-28 02:28:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 218 transitions. [2024-11-28 02:28:20,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:28:20,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:20,888 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:20,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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)] Forceful destruction successful, exit code 0 [2024-11-28 02:28:21,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-28 02:28:21,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:28:21,289 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:28:21,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:21,290 INFO L85 PathProgramCache]: Analyzing trace with hash 908787384, now seen corresponding path program 1 times [2024-11-28 02:28:21,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:28:21,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665696439] [2024-11-28 02:28:21,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:21,291 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 [2024-11-28 02:28:21,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:28:21,293 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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) [2024-11-28 02:28:21,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 (5)] Waiting until timeout for monitored process [2024-11-28 02:28:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:21,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:28:21,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:28:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 301 proven. 51 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-28 02:28:21,902 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:28:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:28:22,330 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:28:22,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665696439] [2024-11-28 02:28:22,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665696439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:28:22,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:28:22,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-28 02:28:22,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685253803] [2024-11-28 02:28:22,331 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:28:22,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:28:22,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:28:22,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:28:22,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:28:22,336 INFO L87 Difference]: Start difference. First operand 144 states and 218 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-28 02:28:23,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:23,119 INFO L93 Difference]: Finished difference Result 231 states and 345 transitions. [2024-11-28 02:28:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:28:23,126 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 150 [2024-11-28 02:28:23,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:23,129 INFO L225 Difference]: With dead ends: 231 [2024-11-28 02:28:23,129 INFO L226 Difference]: Without dead ends: 149 [2024-11-28 02:28:23,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:28:23,134 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 64 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:23,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 342 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:28:23,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-28 02:28:23,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2024-11-28 02:28:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 92 states have (on average 1.2826086956521738) internal successors, (118), 92 states have internal predecessors, (118), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-28 02:28:23,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 206 transitions. [2024-11-28 02:28:23,172 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 206 transitions. Word has length 150 [2024-11-28 02:28:23,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:23,173 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 206 transitions. [2024-11-28 02:28:23,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-28 02:28:23,173 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 206 transitions. [2024-11-28 02:28:23,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:28:23,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:23,177 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:23,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 (5)] Ended with exit code 0 [2024-11-28 02:28:23,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 [2024-11-28 02:28:23,381 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:28:23,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:23,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1679730286, now seen corresponding path program 1 times [2024-11-28 02:28:23,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:28:23,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1916737853] [2024-11-28 02:28:23,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:23,383 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 [2024-11-28 02:28:23,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:28:23,385 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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) [2024-11-28 02:28:23,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 [2024-11-28 02:28:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:23,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:28:23,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:28:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 211 proven. 6 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2024-11-28 02:28:24,201 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:28:24,558 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:28:24,558 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:28:24,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1916737853] [2024-11-28 02:28:24,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1916737853] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:28:24,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:28:24,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 02:28:24,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704714591] [2024-11-28 02:28:24,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:28:24,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:28:24,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:28:24,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:28:24,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:28:24,562 INFO L87 Difference]: Start difference. First operand 143 states and 206 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-28 02:28:25,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:25,785 INFO L93 Difference]: Finished difference Result 291 states and 421 transitions. [2024-11-28 02:28:25,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:28:25,786 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 150 [2024-11-28 02:28:25,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:25,789 INFO L225 Difference]: With dead ends: 291 [2024-11-28 02:28:25,789 INFO L226 Difference]: Without dead ends: 214 [2024-11-28 02:28:25,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:28:25,794 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 221 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:25,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 358 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:28:25,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-28 02:28:25,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 203. [2024-11-28 02:28:25,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 131 states have (on average 1.2748091603053435) internal successors, (167), 132 states have internal predecessors, (167), 62 states have call successors, (62), 9 states have call predecessors, (62), 9 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-28 02:28:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 291 transitions. [2024-11-28 02:28:25,826 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 291 transitions. Word has length 150 [2024-11-28 02:28:25,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:25,827 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 291 transitions. [2024-11-28 02:28:25,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-28 02:28:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 291 transitions. [2024-11-28 02:28:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:28:25,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:25,830 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:25,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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)] Ended with exit code 0 [2024-11-28 02:28:26,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 [2024-11-28 02:28:26,031 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:28:26,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:26,032 INFO L85 PathProgramCache]: Analyzing trace with hash 878716413, now seen corresponding path program 1 times [2024-11-28 02:28:26,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:28:26,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632920838] [2024-11-28 02:28:26,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:26,032 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 [2024-11-28 02:28:26,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:28:26,036 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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) [2024-11-28 02:28:26,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 [2024-11-28 02:28:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:26,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:28:26,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:28:28,397 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 546 proven. 114 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 02:28:28,397 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:28:35,235 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:28:35,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632920838] [2024-11-28 02:28:35,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632920838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:28:35,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [662292315] [2024-11-28 02:28:35,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:35,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:28:35,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:28:35,242 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:28:35,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-28 02:28:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:36,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:28:36,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:28:46,345 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 528 proven. 108 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 02:28:46,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:28:55,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [662292315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:28:55,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:28:55,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2024-11-28 02:28:55,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772106896] [2024-11-28 02:28:55,720 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:28:55,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 02:28:55,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:28:55,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 02:28:55,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=650, Unknown=1, NotChecked=0, Total=756 [2024-11-28 02:28:55,724 INFO L87 Difference]: Start difference. First operand 203 states and 291 transitions. Second operand has 22 states, 22 states have (on average 4.863636363636363) internal successors, (107), 22 states have internal predecessors, (107), 7 states have call successors, (39), 7 states have call predecessors, (39), 12 states have return successors, (40), 7 states have call predecessors, (40), 7 states have call successors, (40) [2024-11-28 02:29:16,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:29:19,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:29:36,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:29:36,816 INFO L93 Difference]: Finished difference Result 453 states and 612 transitions. [2024-11-28 02:29:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-28 02:29:36,818 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.863636363636363) internal successors, (107), 22 states have internal predecessors, (107), 7 states have call successors, (39), 7 states have call predecessors, (39), 12 states have return successors, (40), 7 states have call predecessors, (40), 7 states have call successors, (40) Word has length 151 [2024-11-28 02:29:36,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:29:36,823 INFO L225 Difference]: With dead ends: 453 [2024-11-28 02:29:36,823 INFO L226 Difference]: Without dead ends: 311 [2024-11-28 02:29:36,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 26.7s TimeCoverageRelationStatistics Valid=532, Invalid=2223, Unknown=1, NotChecked=0, Total=2756 [2024-11-28 02:29:36,826 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 237 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 100 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:29:36,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 459 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 651 Invalid, 1 Unknown, 0 Unchecked, 29.9s Time] [2024-11-28 02:29:36,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-28 02:29:36,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 297. [2024-11-28 02:29:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 195 states have (on average 1.158974358974359) internal successors, (226), 198 states have internal predecessors, (226), 78 states have call successors, (78), 23 states have call predecessors, (78), 23 states have return successors, (78), 75 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-28 02:29:36,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 382 transitions. [2024-11-28 02:29:36,886 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 382 transitions. Word has length 151 [2024-11-28 02:29:36,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:29:36,887 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 382 transitions. [2024-11-28 02:29:36,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.863636363636363) internal successors, (107), 22 states have internal predecessors, (107), 7 states have call successors, (39), 7 states have call predecessors, (39), 12 states have return successors, (40), 7 states have call predecessors, (40), 7 states have call successors, (40) [2024-11-28 02:29:36,887 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 382 transitions. [2024-11-28 02:29:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:29:36,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:29:36,889 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:29:36,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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)] Ended with exit code 0 [2024-11-28 02:29:37,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-28 02:29:37,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:29:37,290 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:29:37,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:29:37,291 INFO L85 PathProgramCache]: Analyzing trace with hash 880563455, now seen corresponding path program 1 times [2024-11-28 02:29:37,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:29:37,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704781030] [2024-11-28 02:29:37,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:29:37,291 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 [2024-11-28 02:29:37,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:29:37,293 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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) [2024-11-28 02:29:37,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/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 (9)] Waiting until timeout for monitored process [2024-11-28 02:29:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:29:37,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 02:29:37,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:30:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 663 proven. 117 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 02:30:11,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:30:20,669 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:30:20,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704781030] [2024-11-28 02:30:20,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704781030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:30:20,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [148792479] [2024-11-28 02:30:20,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:30:20,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:30:20,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:30:20,673 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:30:20,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ee3700-0187-4ff5-beef-c69963a07ca8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-28 02:30:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:30:22,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 02:30:22,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:31:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 645 proven. 156 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-28 02:31:13,335 INFO L312 TraceCheckSpWp]: Computing backward predicates...