./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.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_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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_cb3679f1-1353-47c8-8179-d2d17becd945/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 a2911b8889dd63413414f522ab20bad4acbdc28dfebaab4294bb46a3c6eab490 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:11:56,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:11:56,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:11:56,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:11:56,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:11:56,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:11:56,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:11:56,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:11:56,696 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:11:56,696 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:11:56,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:11:56,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:11:56,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:11:56,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:11:56,697 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:11:56,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:11:56,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:11:56,698 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:11:56,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:11:56,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:11:56,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:11:56,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:11:56,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:11:56,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:11:56,700 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:11:56,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:11:56,700 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:11:56,701 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:11:56,701 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:11:56,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:11:56,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:11:56,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:11:56,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:56,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:11:56,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:11:56,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:11:56,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:11:56,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:56,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:11:56,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:11:56,702 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:11:56,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:11:56,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:11:56,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:11:56,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:11:56,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:11:56,703 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:11:56,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:11:56,703 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_cb3679f1-1353-47c8-8179-d2d17becd945/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 -> a2911b8889dd63413414f522ab20bad4acbdc28dfebaab4294bb46a3c6eab490 [2024-11-27 20:11:57,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:11:57,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:11:57,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:11:57,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:11:57,065 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:11:57,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i [2024-11-27 20:12:00,050 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/data/e6a3159a9/b2059f69c9e440168bcbc011ee3ba088/FLAG8554e0150 [2024-11-27 20:12:00,410 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:12:00,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i [2024-11-27 20:12:00,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/data/e6a3159a9/b2059f69c9e440168bcbc011ee3ba088/FLAG8554e0150 [2024-11-27 20:12:00,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/data/e6a3159a9/b2059f69c9e440168bcbc011ee3ba088 [2024-11-27 20:12:00,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:12:00,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:12:00,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:00,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:12:00,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:12:00,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:00" (1/1) ... [2024-11-27 20:12:00,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ec993d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:00, skipping insertion in model container [2024-11-27 20:12:00,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:00" (1/1) ... [2024-11-27 20:12:00,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:12:00,828 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_cb3679f1-1353-47c8-8179-d2d17becd945/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i[916,929] [2024-11-27 20:12:00,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:00,929 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:12:00,940 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_cb3679f1-1353-47c8-8179-d2d17becd945/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i[916,929] [2024-11-27 20:12:01,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:01,039 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:12:01,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01 WrapperNode [2024-11-27 20:12:01,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:01,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:01,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:12:01,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:12:01,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,123 INFO L138 Inliner]: procedures = 29, calls = 180, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 538 [2024-11-27 20:12:01,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:01,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:12:01,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:12:01,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:12:01,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,151 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,192 INFO L175 MemorySlicer]: Split 146 memory accesses to 4 slices as follows [2, 26, 51, 67]. 46 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 4, 5, 8]. The 18 writes are split as follows [0, 5, 5, 8]. [2024-11-27 20:12:01,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,219 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:12:01,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:12:01,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:12:01,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:12:01,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (1/1) ... [2024-11-27 20:12:01,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:01,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:01,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:01,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:12:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:12:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-27 20:12:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-27 20:12:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-27 20:12:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-27 20:12:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:12:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:12:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:12:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:12:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-27 20:12:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-27 20:12:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-27 20:12:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-27 20:12:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:12:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:12:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:12:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:12:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-27 20:12:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-27 20:12:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-27 20:12:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-27 20:12:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:12:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:12:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:12:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:12:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:12:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:12:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:12:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:12:01,537 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:12:01,540 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:12:02,363 INFO L? ?]: Removed 148 outVars from TransFormulas that were not future-live. [2024-11-27 20:12:02,363 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:12:02,383 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:12:02,385 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:12:02,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:02 BoogieIcfgContainer [2024-11-27 20:12:02,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:12:02,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:12:02,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:12:02,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:12:02,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:12:00" (1/3) ... [2024-11-27 20:12:02,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b443f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:12:02, skipping insertion in model container [2024-11-27 20:12:02,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:01" (2/3) ... [2024-11-27 20:12:02,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b443f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:12:02, skipping insertion in model container [2024-11-27 20:12:02,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:02" (3/3) ... [2024-11-27 20:12:02,397 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-23.i [2024-11-27 20:12:02,416 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:12:02,419 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-23.i that has 2 procedures, 124 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:12:02,489 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:12:02,508 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;@48190b07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:12:02,508 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:12:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:12:02,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:12:02,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:02,532 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:02,534 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:02,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:02,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1186593926, now seen corresponding path program 1 times [2024-11-27 20:12:02,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:02,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160715125] [2024-11-27 20:12:02,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:02,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-27 20:12:03,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:03,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160715125] [2024-11-27 20:12:03,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160715125] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:03,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730009317] [2024-11-27 20:12:03,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:03,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:03,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:03,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:03,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:12:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:03,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:12:03,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:03,424 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-27 20:12:03,424 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:03,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730009317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:03,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:03,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:12:03,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468474560] [2024-11-27 20:12:03,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:03,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:12:03,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:03,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:12:03,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:12:03,462 INFO L87 Difference]: Start difference. First operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:03,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:03,504 INFO L93 Difference]: Finished difference Result 241 states and 380 transitions. [2024-11-27 20:12:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:12:03,506 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-27 20:12:03,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:03,513 INFO L225 Difference]: With dead ends: 241 [2024-11-27 20:12:03,513 INFO L226 Difference]: Without dead ends: 120 [2024-11-27 20:12:03,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:12:03,520 INFO L435 NwaCegarLoop]: 176 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, 176 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:03,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:03,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-27 20:12:03,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-27 20:12:03,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 98 states have internal predecessors, (136), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:12:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 176 transitions. [2024-11-27 20:12:03,581 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 176 transitions. Word has length 165 [2024-11-27 20:12:03,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:03,582 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 176 transitions. [2024-11-27 20:12:03,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2024-11-27 20:12:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:12:03,588 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:03,588 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:03,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:03,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:12:03,789 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:03,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:03,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1867100974, now seen corresponding path program 1 times [2024-11-27 20:12:03,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:03,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223592511] [2024-11-27 20:12:03,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:03,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:12:04,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:04,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223592511] [2024-11-27 20:12:04,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223592511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:04,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:04,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:12:04,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283403028] [2024-11-27 20:12:04,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:04,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:12:04,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:04,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:12:04,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:12:04,343 INFO L87 Difference]: Start difference. First operand 120 states and 176 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:04,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:04,389 INFO L93 Difference]: Finished difference Result 239 states and 352 transitions. [2024-11-27 20:12:04,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:12:04,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-27 20:12:04,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:04,391 INFO L225 Difference]: With dead ends: 239 [2024-11-27 20:12:04,391 INFO L226 Difference]: Without dead ends: 122 [2024-11-27 20:12:04,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:12:04,393 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:04,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:04,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-27 20:12:04,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-27 20:12:04,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:12:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 178 transitions. [2024-11-27 20:12:04,406 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 178 transitions. Word has length 165 [2024-11-27 20:12:04,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:04,407 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 178 transitions. [2024-11-27 20:12:04,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 178 transitions. [2024-11-27 20:12:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:12:04,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:04,411 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:04,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:12:04,411 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:04,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:04,412 INFO L85 PathProgramCache]: Analyzing trace with hash -24625260, now seen corresponding path program 1 times [2024-11-27 20:12:04,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:04,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653963963] [2024-11-27 20:12:04,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:04,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:12:07,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:07,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653963963] [2024-11-27 20:12:07,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653963963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:07,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:07,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 20:12:07,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019655193] [2024-11-27 20:12:07,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:07,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:12:07,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:07,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:12:07,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:12:07,503 INFO L87 Difference]: Start difference. First operand 122 states and 178 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:08,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:08,860 INFO L93 Difference]: Finished difference Result 463 states and 679 transitions. [2024-11-27 20:12:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:12:08,861 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-27 20:12:08,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:08,866 INFO L225 Difference]: With dead ends: 463 [2024-11-27 20:12:08,866 INFO L226 Difference]: Without dead ends: 344 [2024-11-27 20:12:08,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:12:08,868 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 380 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:08,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 1822 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 20:12:08,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-27 20:12:08,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 243. [2024-11-27 20:12:08,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 202 states have (on average 1.400990099009901) internal successors, (283), 203 states have internal predecessors, (283), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-27 20:12:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 359 transitions. [2024-11-27 20:12:08,945 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 359 transitions. Word has length 165 [2024-11-27 20:12:08,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:08,946 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 359 transitions. [2024-11-27 20:12:08,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 359 transitions. [2024-11-27 20:12:08,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:12:08,954 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:08,954 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:08,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:12:08,955 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:08,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:08,956 INFO L85 PathProgramCache]: Analyzing trace with hash -611431274, now seen corresponding path program 1 times [2024-11-27 20:12:08,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:08,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059127343] [2024-11-27 20:12:08,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:08,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:12:11,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:11,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059127343] [2024-11-27 20:12:11,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059127343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:11,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:11,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 20:12:11,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447738733] [2024-11-27 20:12:11,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:11,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:12:11,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:11,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:12:11,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:12:11,112 INFO L87 Difference]: Start difference. First operand 243 states and 359 transitions. Second operand has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 20:12:12,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:12,495 INFO L93 Difference]: Finished difference Result 646 states and 947 transitions. [2024-11-27 20:12:12,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:12:12,496 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 165 [2024-11-27 20:12:12,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:12,503 INFO L225 Difference]: With dead ends: 646 [2024-11-27 20:12:12,504 INFO L226 Difference]: Without dead ends: 406 [2024-11-27 20:12:12,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:12:12,510 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 363 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:12,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1108 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 20:12:12,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-27 20:12:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 311. [2024-11-27 20:12:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 252 states have (on average 1.373015873015873) internal successors, (346), 254 states have internal predecessors, (346), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-27 20:12:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 454 transitions. [2024-11-27 20:12:12,603 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 454 transitions. Word has length 165 [2024-11-27 20:12:12,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:12,604 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 454 transitions. [2024-11-27 20:12:12,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 20:12:12,604 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 454 transitions. [2024-11-27 20:12:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:12:12,608 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:12,608 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:12,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:12:12,609 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:12,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:12,610 INFO L85 PathProgramCache]: Analyzing trace with hash -842273710, now seen corresponding path program 1 times [2024-11-27 20:12:12,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:12,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399712808] [2024-11-27 20:12:12,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:12,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:12:14,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:14,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399712808] [2024-11-27 20:12:14,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399712808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:14,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:14,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 20:12:14,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120863941] [2024-11-27 20:12:14,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:14,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:12:14,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:14,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:12:14,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:12:14,282 INFO L87 Difference]: Start difference. First operand 311 states and 454 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:15,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:15,319 INFO L93 Difference]: Finished difference Result 563 states and 820 transitions. [2024-11-27 20:12:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:12:15,320 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-27 20:12:15,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:15,323 INFO L225 Difference]: With dead ends: 563 [2024-11-27 20:12:15,323 INFO L226 Difference]: Without dead ends: 319 [2024-11-27 20:12:15,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:12:15,325 INFO L435 NwaCegarLoop]: 266 mSDtfsCounter, 260 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:15,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 1503 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:12:15,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-27 20:12:15,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 300. [2024-11-27 20:12:15,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 241 states have (on average 1.3651452282157677) internal successors, (329), 243 states have internal predecessors, (329), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-27 20:12:15,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 437 transitions. [2024-11-27 20:12:15,382 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 437 transitions. Word has length 165 [2024-11-27 20:12:15,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:15,383 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 437 transitions. [2024-11-27 20:12:15,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 437 transitions. [2024-11-27 20:12:15,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:12:15,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:15,385 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:15,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:12:15,386 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:15,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:15,386 INFO L85 PathProgramCache]: Analyzing trace with hash -158638766, now seen corresponding path program 1 times [2024-11-27 20:12:15,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:15,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642425595] [2024-11-27 20:12:15,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:15,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:12:16,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:16,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642425595] [2024-11-27 20:12:16,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642425595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:16,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:16,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:12:16,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257832900] [2024-11-27 20:12:16,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:16,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:12:16,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:16,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:12:16,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:12:16,560 INFO L87 Difference]: Start difference. First operand 300 states and 437 transitions. Second operand has 7 states, 5 states have (on average 13.6) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 20:12:17,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:17,199 INFO L93 Difference]: Finished difference Result 540 states and 782 transitions. [2024-11-27 20:12:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:12:17,200 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 13.6) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 165 [2024-11-27 20:12:17,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:17,203 INFO L225 Difference]: With dead ends: 540 [2024-11-27 20:12:17,203 INFO L226 Difference]: Without dead ends: 307 [2024-11-27 20:12:17,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:12:17,205 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 143 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:17,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1292 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:12:17,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-27 20:12:17,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 240. [2024-11-27 20:12:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 197 states have (on average 1.365482233502538) internal successors, (269), 198 states have internal predecessors, (269), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-27 20:12:17,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 345 transitions. [2024-11-27 20:12:17,259 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 345 transitions. Word has length 165 [2024-11-27 20:12:17,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:17,260 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 345 transitions. [2024-11-27 20:12:17,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 13.6) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 20:12:17,260 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 345 transitions. [2024-11-27 20:12:17,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:12:17,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:17,263 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:17,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:12:17,263 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:17,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:17,263 INFO L85 PathProgramCache]: Analyzing trace with hash -745444780, now seen corresponding path program 1 times [2024-11-27 20:12:17,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:17,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788233202] [2024-11-27 20:12:17,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:17,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:18,820 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:12:18,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:18,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788233202] [2024-11-27 20:12:18,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788233202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:18,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:18,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 20:12:18,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880618409] [2024-11-27 20:12:18,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:18,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:12:18,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:18,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:12:18,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:12:18,824 INFO L87 Difference]: Start difference. First operand 240 states and 345 transitions. Second operand has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 20:12:19,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:19,809 INFO L93 Difference]: Finished difference Result 544 states and 783 transitions. [2024-11-27 20:12:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:12:19,810 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 165 [2024-11-27 20:12:19,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:19,812 INFO L225 Difference]: With dead ends: 544 [2024-11-27 20:12:19,813 INFO L226 Difference]: Without dead ends: 307 [2024-11-27 20:12:19,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:12:19,814 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 142 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:19,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1944 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:12:19,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-27 20:12:19,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 240. [2024-11-27 20:12:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 197 states have (on average 1.3604060913705585) internal successors, (268), 198 states have internal predecessors, (268), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-27 20:12:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 344 transitions. [2024-11-27 20:12:19,864 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 344 transitions. Word has length 165 [2024-11-27 20:12:19,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:19,865 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 344 transitions. [2024-11-27 20:12:19,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 20:12:19,865 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 344 transitions. [2024-11-27 20:12:19,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-27 20:12:19,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:19,867 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:19,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:12:19,868 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:19,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:19,869 INFO L85 PathProgramCache]: Analyzing trace with hash -464003610, now seen corresponding path program 1 times [2024-11-27 20:12:19,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:19,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232774034] [2024-11-27 20:12:19,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:19,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:20,109 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-27 20:12:20,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:20,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232774034] [2024-11-27 20:12:20,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232774034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:20,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643544682] [2024-11-27 20:12:20,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:20,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:20,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:20,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:20,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:12:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:20,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:12:20,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:20,454 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:12:20,454 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:20,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643544682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:20,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:20,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-27 20:12:20,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689721468] [2024-11-27 20:12:20,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:20,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:12:20,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:20,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:12:20,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:12:20,456 INFO L87 Difference]: Start difference. First operand 240 states and 344 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:12:20,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:20,542 INFO L93 Difference]: Finished difference Result 483 states and 693 transitions. [2024-11-27 20:12:20,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:12:20,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 167 [2024-11-27 20:12:20,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:20,545 INFO L225 Difference]: With dead ends: 483 [2024-11-27 20:12:20,545 INFO L226 Difference]: Without dead ends: 246 [2024-11-27 20:12:20,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:12:20,546 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:20,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 672 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:20,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-27 20:12:20,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-27 20:12:20,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 203 states have (on average 1.3497536945812807) internal successors, (274), 204 states have internal predecessors, (274), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-27 20:12:20,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 350 transitions. [2024-11-27 20:12:20,596 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 350 transitions. Word has length 167 [2024-11-27 20:12:20,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:20,597 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 350 transitions. [2024-11-27 20:12:20,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:12:20,597 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 350 transitions. [2024-11-27 20:12:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:12:20,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:20,599 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:20,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:12:20,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-27 20:12:20,800 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:20,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:20,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1317282817, now seen corresponding path program 1 times [2024-11-27 20:12:20,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:20,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892327362] [2024-11-27 20:12:20,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:20,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:12:21,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:21,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892327362] [2024-11-27 20:12:21,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892327362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:21,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:21,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-27 20:12:21,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21819828] [2024-11-27 20:12:21,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:21,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:12:21,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:21,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:12:21,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:12:21,878 INFO L87 Difference]: Start difference. First operand 246 states and 350 transitions. Second operand has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:22,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:22,581 INFO L93 Difference]: Finished difference Result 720 states and 1025 transitions. [2024-11-27 20:12:22,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:12:22,582 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 169 [2024-11-27 20:12:22,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:22,586 INFO L225 Difference]: With dead ends: 720 [2024-11-27 20:12:22,586 INFO L226 Difference]: Without dead ends: 477 [2024-11-27 20:12:22,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:12:22,588 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 144 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:22,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1212 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:12:22,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-27 20:12:22,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 279. [2024-11-27 20:12:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 236 states have (on average 1.3601694915254237) internal successors, (321), 237 states have internal predecessors, (321), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-27 20:12:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 397 transitions. [2024-11-27 20:12:22,672 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 397 transitions. Word has length 169 [2024-11-27 20:12:22,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:22,673 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 397 transitions. [2024-11-27 20:12:22,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 397 transitions. [2024-11-27 20:12:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:12:22,676 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:22,676 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:22,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:12:22,676 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:22,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:22,677 INFO L85 PathProgramCache]: Analyzing trace with hash 924255807, now seen corresponding path program 1 times [2024-11-27 20:12:22,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:22,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061247446] [2024-11-27 20:12:22,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:22,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:12:25,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:25,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061247446] [2024-11-27 20:12:25,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061247446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:25,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:25,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:12:25,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237994153] [2024-11-27 20:12:25,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:25,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:12:25,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:25,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:12:25,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:12:25,447 INFO L87 Difference]: Start difference. First operand 279 states and 397 transitions. Second operand has 13 states, 8 states have (on average 9.0) internal successors, (72), 13 states have internal predecessors, (72), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-27 20:12:26,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:26,927 INFO L93 Difference]: Finished difference Result 735 states and 1044 transitions. [2024-11-27 20:12:26,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 20:12:26,928 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 8 states have (on average 9.0) internal successors, (72), 13 states have internal predecessors, (72), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 6 states have call successors, (20) Word has length 169 [2024-11-27 20:12:26,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:26,932 INFO L225 Difference]: With dead ends: 735 [2024-11-27 20:12:26,932 INFO L226 Difference]: Without dead ends: 459 [2024-11-27 20:12:26,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:12:26,934 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 265 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:26,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 1903 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 20:12:26,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-27 20:12:27,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 363. [2024-11-27 20:12:27,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 309 states have (on average 1.3592233009708738) internal successors, (420), 311 states have internal predecessors, (420), 48 states have call successors, (48), 5 states have call predecessors, (48), 5 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-27 20:12:27,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 516 transitions. [2024-11-27 20:12:27,025 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 516 transitions. Word has length 169 [2024-11-27 20:12:27,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:27,026 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 516 transitions. [2024-11-27 20:12:27,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 8 states have (on average 9.0) internal successors, (72), 13 states have internal predecessors, (72), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-27 20:12:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 516 transitions. [2024-11-27 20:12:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:12:27,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:27,034 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:27,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:12:27,035 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:27,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:27,035 INFO L85 PathProgramCache]: Analyzing trace with hash 144835179, now seen corresponding path program 1 times [2024-11-27 20:12:27,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:27,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705475165] [2024-11-27 20:12:27,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:27,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-27 20:12:27,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:27,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705475165] [2024-11-27 20:12:27,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705475165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:27,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264476048] [2024-11-27 20:12:27,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:27,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:27,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:27,681 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:27,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:12:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:28,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 20:12:28,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:28,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2024-11-27 20:12:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-27 20:12:28,614 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-27 20:12:29,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264476048] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:12:29,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:12:29,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-27 20:12:29,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915219829] [2024-11-27 20:12:29,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:29,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 20:12:29,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:29,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 20:12:29,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:12:29,135 INFO L87 Difference]: Start difference. First operand 363 states and 516 transitions. Second operand has 15 states, 13 states have (on average 6.769230769230769) internal successors, (88), 15 states have internal predecessors, (88), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 4 states have call successors, (37) [2024-11-27 20:12:30,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:30,266 INFO L93 Difference]: Finished difference Result 1135 states and 1588 transitions. [2024-11-27 20:12:30,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 20:12:30,267 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.769230769230769) internal successors, (88), 15 states have internal predecessors, (88), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 4 states have call successors, (37) Word has length 169 [2024-11-27 20:12:30,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:30,274 INFO L225 Difference]: With dead ends: 1135 [2024-11-27 20:12:30,274 INFO L226 Difference]: Without dead ends: 775 [2024-11-27 20:12:30,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 329 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2024-11-27 20:12:30,277 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 548 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:30,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 1740 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:12:30,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-11-27 20:12:30,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 383. [2024-11-27 20:12:30,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 326 states have (on average 1.3404907975460123) internal successors, (437), 328 states have internal predecessors, (437), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-27 20:12:30,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 533 transitions. [2024-11-27 20:12:30,372 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 533 transitions. Word has length 169 [2024-11-27 20:12:30,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:30,373 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 533 transitions. [2024-11-27 20:12:30,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.769230769230769) internal successors, (88), 15 states have internal predecessors, (88), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 4 states have call successors, (37) [2024-11-27 20:12:30,373 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 533 transitions. [2024-11-27 20:12:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:12:30,375 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:30,376 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:30,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:12:30,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:30,576 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:30,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:30,577 INFO L85 PathProgramCache]: Analyzing trace with hash 567537005, now seen corresponding path program 1 times [2024-11-27 20:12:30,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:30,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427545381] [2024-11-27 20:12:30,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:30,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:30,684 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:12:30,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:30,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427545381] [2024-11-27 20:12:30,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427545381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:30,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:30,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:12:30,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704835591] [2024-11-27 20:12:30,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:30,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:12:30,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:30,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:12:30,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:12:30,689 INFO L87 Difference]: Start difference. First operand 383 states and 533 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:12:30,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:30,777 INFO L93 Difference]: Finished difference Result 767 states and 1071 transitions. [2024-11-27 20:12:30,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:12:30,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-27 20:12:30,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:30,781 INFO L225 Difference]: With dead ends: 767 [2024-11-27 20:12:30,781 INFO L226 Difference]: Without dead ends: 387 [2024-11-27 20:12:30,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:12:30,782 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:30,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 342 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:30,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-27 20:12:30,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2024-11-27 20:12:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 330 states have (on average 1.3363636363636364) internal successors, (441), 332 states have internal predecessors, (441), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-27 20:12:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 537 transitions. [2024-11-27 20:12:30,879 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 537 transitions. Word has length 169 [2024-11-27 20:12:30,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:30,881 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 537 transitions. [2024-11-27 20:12:30,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:12:30,881 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 537 transitions. [2024-11-27 20:12:30,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:12:30,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:30,884 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:30,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:12:30,885 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:30,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:30,885 INFO L85 PathProgramCache]: Analyzing trace with hash 786391723, now seen corresponding path program 1 times [2024-11-27 20:12:30,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:30,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439162971] [2024-11-27 20:12:30,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:30,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:12:31,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1329973252] [2024-11-27 20:12:31,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:31,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:31,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:31,026 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:31,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:12:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:31,744 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:12:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:32,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:12:32,166 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:12:32,167 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:12:32,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 20:12:32,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:32,375 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:32,471 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:12:32,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:12:32 BoogieIcfgContainer [2024-11-27 20:12:32,475 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:12:32,476 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:12:32,476 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:12:32,476 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:12:32,477 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:02" (3/4) ... [2024-11-27 20:12:32,479 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:12:32,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:12:32,481 INFO L158 Benchmark]: Toolchain (without parser) took 31839.54ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 116.7MB in the beginning and 355.8MB in the end (delta: -239.1MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. [2024-11-27 20:12:32,481 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:12:32,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.24ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 100.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:12:32,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.08ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 96.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:12:32,482 INFO L158 Benchmark]: Boogie Preprocessor took 110.69ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 91.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:12:32,483 INFO L158 Benchmark]: RCFGBuilder took 1148.64ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 59.1MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-27 20:12:32,483 INFO L158 Benchmark]: TraceAbstraction took 30086.67ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 58.6MB in the beginning and 355.9MB in the end (delta: -297.3MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2024-11-27 20:12:32,483 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 503.3MB. Free memory was 355.9MB in the beginning and 355.8MB in the end (delta: 105.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:12:32,485 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.24ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 100.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.08ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 96.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 110.69ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 91.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1148.64ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 59.1MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 30086.67ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 58.6MB in the beginning and 355.9MB in the end (delta: -297.3MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 503.3MB. Free memory was 355.9MB in the beginning and 355.8MB in the end (delta: 105.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 39, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 35, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L25-L27] float float_Array_0[5] = { 1.75, 9.75, 1.4, 999.7, 1.2 }; [L25-L27] float float_Array_0[5] = { 1.75, 9.75, 1.4, 999.7, 1.2 }; [L25-L27] float float_Array_0[5] = { 1.75, 9.75, 1.4, 999.7, 1.2 }; [L25-L27] float float_Array_0[5] = { 1.75, 9.75, 1.4, 999.7, 1.2 }; [L25-L27] float float_Array_0[5] = { 1.75, 9.75, 1.4, 999.7, 1.2 }; [L25-L27] float float_Array_0[5] = { 1.75, 9.75, 1.4, 999.7, 1.2 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=0, unsigned_long_int_Array_0={6:0}] [L94] isInitial = 1 [L95] FCALL initially() [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L54] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L55] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L55] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L55] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L56] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L56] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L56] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L57] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L58] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L58] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L58] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L59] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L59] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L59] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L60] float_Array_0[0] = __VERIFIER_nondet_float() [L61] EXPR float_Array_0[0] [L61] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L61] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F [L61] EXPR float_Array_0[0] [L61] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L61] EXPR (float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L61] EXPR (float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L61] CALL assume_abort_if_not((float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L61] RET assume_abort_if_not((float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L62] float_Array_0[1] = __VERIFIER_nondet_float() [L63] EXPR float_Array_0[1] [L63] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L63] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L63] EXPR float_Array_0[1] [L63] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L63] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L63] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L63] CALL assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L63] RET assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L64] float_Array_0[2] = __VERIFIER_nondet_float() [L65] EXPR float_Array_0[2] [L65] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L65] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F [L65] EXPR float_Array_0[2] [L65] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L65] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L65] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L65] CALL assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L65] RET assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L66] float_Array_0[3] = __VERIFIER_nondet_float() [L67] EXPR float_Array_0[3] [L67] EXPR float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L67] EXPR float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F [L67] EXPR float_Array_0[3] [L67] EXPR float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L67] EXPR (float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854776000e+12F && float_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L67] EXPR (float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854776000e+12F && float_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L67] CALL assume_abort_if_not((float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854776000e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L67] RET assume_abort_if_not((float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854776000e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L68] EXPR float_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L68] CALL assume_abort_if_not(float_Array_0[3] != 0.0F) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L68] RET assume_abort_if_not(float_Array_0[3] != 0.0F) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L69] float_Array_0[4] = __VERIFIER_nondet_float() [L70] EXPR float_Array_0[4] [L70] EXPR float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L70] EXPR float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F [L70] EXPR float_Array_0[4] [L70] EXPR float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L70] EXPR (float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854776000e+12F && float_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L70] EXPR (float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854776000e+12F && float_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L70] CALL assume_abort_if_not((float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854776000e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L70] RET assume_abort_if_not((float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854776000e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L71] unsigned_long_int_Array_0[0][0][0] = __VERIFIER_nondet_ulong() [L72] EXPR unsigned_long_int_Array_0[0][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L72] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0][0] >= 1073741824) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L72] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0][0] >= 1073741824) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L73] EXPR unsigned_long_int_Array_0[0][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L73] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L73] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L74] unsigned_long_int_Array_0[1][0][0] = __VERIFIER_nondet_ulong() [L75] EXPR unsigned_long_int_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L75] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L75] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L76] EXPR unsigned_long_int_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L76] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L76] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L77] unsigned_long_int_Array_0[1][1][0] = __VERIFIER_nondet_ulong() [L78] EXPR unsigned_long_int_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L78] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1][0] >= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L78] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1][0] >= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L79] EXPR unsigned_long_int_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L79] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L79] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L80] unsigned_long_int_Array_0[1][0][1] = __VERIFIER_nondet_ulong() [L81] EXPR unsigned_long_int_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L81] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L81] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L82] EXPR unsigned_long_int_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L82] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L82] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L83] unsigned_long_int_Array_0[0][1][1] = __VERIFIER_nondet_ulong() [L84] EXPR unsigned_long_int_Array_0[0][1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L84] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L84] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L85] EXPR unsigned_long_int_Array_0[0][1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L85] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L85] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L98] RET updateVariables() [L99] CALL step() [L34] EXPR unsigned_long_int_Array_0[0][1][1] [L34] EXPR unsigned_long_int_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L34] EXPR ((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]) [L34] EXPR unsigned_long_int_Array_0[0][1][1] [L34] EXPR ((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L34] unsigned_long_int_Array_0[1][1][1] = ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))) [L35] EXPR float_Array_0[4] [L35] EXPR float_Array_0[3] [L35] EXPR float_Array_0[2] [L35] EXPR float_Array_0[1] [L35] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L35] COND FALSE !((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) [L38] EXPR unsigned_long_int_Array_0[0][1][1] [L38] EXPR unsigned_long_int_Array_0[1][1][0] [L38] EXPR unsigned_long_int_Array_0[0][0][0] [L38] EXPR unsigned_long_int_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L38] EXPR ((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0])) [L38] EXPR unsigned_long_int_Array_0[0][1][1] [L38] EXPR ((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L38] unsigned_long_int_Array_0[0][1][0] = ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0])))) [L39] EXPR float_Array_0[4] [L39] unsigned char stepLocal_0 = (- float_Array_0[4]) != 1.9f; [L40] stepLocal_0 || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L40] stepLocal_0 || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1]) [L40] EXPR unsigned_long_int_Array_0[0][0][1] [L40] EXPR unsigned_long_int_Array_0[1][0][0] [L40] EXPR unsigned_long_int_Array_0[1][0][1] [L40] stepLocal_0 || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L40] COND FALSE !(stepLocal_0 || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1])) [L43] EXPR BOOL_unsigned_char_Array_0[1][1] [L43] BOOL_unsigned_char_Array_0[0][1] = BOOL_unsigned_char_Array_0[1][1] [L45] BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L45] COND FALSE !(BOOL_unsigned_char_Array_0[0][1]) [L99] RET step() [L100] CALL, EXPR property() [L90] EXPR unsigned_long_int_Array_0[1][1][1] [L90] EXPR unsigned_long_int_Array_0[0][1][1] [L90] EXPR unsigned_long_int_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]) [L90] EXPR unsigned_long_int_Array_0[0][1][1] [L90] EXPR ((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR (unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR (unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1) [L90] EXPR float_Array_0[4] [L90] EXPR float_Array_0[3] [L90] EXPR float_Array_0[2] [L90] EXPR float_Array_0[1] [L90] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1 [L90] EXPR unsigned_long_int_Array_0[0][0][1] [L90] EXPR unsigned_long_int_Array_0[0][1][1] [L90] EXPR unsigned_long_int_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]) [L90] EXPR unsigned_long_int_Array_0[0][1][1] [L90] EXPR ((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR (unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR (((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))))))) && (BOOL_unsigned_char_Array_0[0][1] ? ((! ((float_Array_0[4] / float_Array_0[3]) < (float_Array_0[1] - float_Array_0[0]))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : 1) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR (((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))))))) && (BOOL_unsigned_char_Array_0[0][1] ? ((! ((float_Array_0[4] / float_Array_0[3]) < (float_Array_0[1] - float_Array_0[0]))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : 1) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))))))) && (BOOL_unsigned_char_Array_0[0][1] ? ((! ((float_Array_0[4] / float_Array_0[3]) < (float_Array_0[1] - float_Array_0[0]))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : 1) : 1) : 1)) && ((((- float_Array_0[4]) != 1.9f) || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1])) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))))))) && (BOOL_unsigned_char_Array_0[0][1] ? ((! ((float_Array_0[4] / float_Array_0[3]) < (float_Array_0[1] - float_Array_0[0]))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : 1) : 1) : 1)) && ((((- float_Array_0[4]) != 1.9f) || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1])) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90-L91] return ((((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))))))) && (BOOL_unsigned_char_Array_0[0][1] ? ((! ((float_Array_0[4] / float_Array_0[3]) < (float_Array_0[1] - float_Array_0[0]))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : 1) : 1) : 1)) && ((((- float_Array_0[4]) != 1.9f) || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1])) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 124 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.9s, OverallIterations: 13, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2299 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2245 mSDsluCounter, 14225 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11636 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4692 IncrementalHoareTripleChecker+Invalid, 4953 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 2589 mSDtfsCounter, 4692 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 846 GetRequests, 731 SyntacticMatches, 2 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=387occurred in iteration=12, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 1035 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 15.2s InterpolantComputationTime, 2837 NumberOfCodeBlocks, 2837 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2652 ConstructedInterpolants, 0 QuantifiedInterpolants, 8483 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1612 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 11927/12160 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 20:12:32,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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_cb3679f1-1353-47c8-8179-d2d17becd945/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 a2911b8889dd63413414f522ab20bad4acbdc28dfebaab4294bb46a3c6eab490 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:12:35,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:12:35,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:12:35,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:12:35,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:12:35,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:12:35,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:12:35,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:12:35,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:12:35,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:12:35,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:12:35,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:12:35,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:12:35,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:12:35,245 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:12:35,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:12:35,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:12:35,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:12:35,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:12:35,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:12:35,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:12:35,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:12:35,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:12:35,246 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:12:35,246 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:12:35,247 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:12:35,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:12:35,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:12:35,247 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:12:35,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:12:35,247 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:12:35,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:12:35,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:12:35,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:12:35,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:35,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:12:35,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:12:35,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:12:35,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:12:35,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:35,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:12:35,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:12:35,249 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:12:35,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:12:35,249 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:12:35,249 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:12:35,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:12:35,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:12:35,249 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:12:35,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:12:35,249 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_cb3679f1-1353-47c8-8179-d2d17becd945/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 -> a2911b8889dd63413414f522ab20bad4acbdc28dfebaab4294bb46a3c6eab490 [2024-11-27 20:12:35,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:12:35,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:12:35,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:12:35,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:12:35,614 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:12:35,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i [2024-11-27 20:12:38,614 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/data/d9b710050/7263957a11dd4a69a9f4108add972f74/FLAG16f7900ce [2024-11-27 20:12:38,894 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:12:38,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i [2024-11-27 20:12:38,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/data/d9b710050/7263957a11dd4a69a9f4108add972f74/FLAG16f7900ce [2024-11-27 20:12:39,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/data/d9b710050/7263957a11dd4a69a9f4108add972f74 [2024-11-27 20:12:39,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:12:39,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:12:39,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:39,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:12:39,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:12:39,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b242d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39, skipping insertion in model container [2024-11-27 20:12:39,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:12:39,390 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_cb3679f1-1353-47c8-8179-d2d17becd945/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i[916,929] [2024-11-27 20:12:39,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:39,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:12:39,553 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_cb3679f1-1353-47c8-8179-d2d17becd945/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i[916,929] [2024-11-27 20:12:39,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:39,644 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:12:39,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39 WrapperNode [2024-11-27 20:12:39,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:39,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:39,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:12:39,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:12:39,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,745 INFO L138 Inliner]: procedures = 33, calls = 180, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 538 [2024-11-27 20:12:39,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:39,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:12:39,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:12:39,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:12:39,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,792 INFO L175 MemorySlicer]: Split 146 memory accesses to 4 slices as follows [2, 26, 51, 67]. 46 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 4, 5, 8]. The 18 writes are split as follows [0, 5, 5, 8]. [2024-11-27 20:12:39,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,821 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:12:39,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:12:39,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:12:39,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:12:39,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (1/1) ... [2024-11-27 20:12:39,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:39,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:39,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:39,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:12:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:12:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-27 20:12:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-27 20:12:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-27 20:12:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-27 20:12:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:12:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-27 20:12:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-27 20:12:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-27 20:12:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-27 20:12:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-27 20:12:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-27 20:12:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-27 20:12:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-27 20:12:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-27 20:12:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-27 20:12:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-27 20:12:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-27 20:12:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-27 20:12:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-27 20:12:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-27 20:12:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-27 20:12:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-27 20:12:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-27 20:12:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-27 20:12:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-27 20:12:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-27 20:12:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-27 20:12:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-27 20:12:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:12:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:12:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:12:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:12:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-27 20:12:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-27 20:12:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-27 20:12:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-27 20:12:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-27 20:12:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-27 20:12:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-27 20:12:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-27 20:12:40,071 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:12:40,073 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:12:54,618 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-27 20:12:54,619 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:12:54,639 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:12:54,639 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:12:54,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:54 BoogieIcfgContainer [2024-11-27 20:12:54,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:12:54,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:12:54,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:12:54,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:12:54,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:12:39" (1/3) ... [2024-11-27 20:12:54,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f25233b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:12:54, skipping insertion in model container [2024-11-27 20:12:54,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:39" (2/3) ... [2024-11-27 20:12:54,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f25233b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:12:54, skipping insertion in model container [2024-11-27 20:12:54,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:54" (3/3) ... [2024-11-27 20:12:54,650 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-23.i [2024-11-27 20:12:54,665 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:12:54,667 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-23.i that has 2 procedures, 124 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:12:54,722 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:12:54,735 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;@70407cde, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:12:54,735 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:12:54,739 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:12:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:12:54,759 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:54,760 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:54,760 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:54,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:54,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1186593926, now seen corresponding path program 1 times [2024-11-27 20:12:54,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:12:54,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78081869] [2024-11-27 20:12:54,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:54,783 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:12:54,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:12:54,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:12:54,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-27 20:12:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:55,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:12:55,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2024-11-27 20:12:55,513 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:55,517 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:12:55,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78081869] [2024-11-27 20:12:55,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [78081869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:55,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:55,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:12:55,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787857106] [2024-11-27 20:12:55,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:55,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:12:55,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:12:55,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:12:55,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:12:55,557 INFO L87 Difference]: Start difference. First operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:55,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:55,600 INFO L93 Difference]: Finished difference Result 241 states and 380 transitions. [2024-11-27 20:12:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:12:55,602 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-27 20:12:55,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:55,612 INFO L225 Difference]: With dead ends: 241 [2024-11-27 20:12:55,613 INFO L226 Difference]: Without dead ends: 120 [2024-11-27 20:12:55,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:12:55,619 INFO L435 NwaCegarLoop]: 176 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, 176 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:55,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:55,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-27 20:12:55,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-27 20:12:55,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 98 states have internal predecessors, (136), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:12:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 176 transitions. [2024-11-27 20:12:55,704 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 176 transitions. Word has length 165 [2024-11-27 20:12:55,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:55,705 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 176 transitions. [2024-11-27 20:12:55,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:55,705 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2024-11-27 20:12:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:12:55,709 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:55,710 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:55,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-27 20:12:55,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:12:55,911 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:55,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:55,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1867100974, now seen corresponding path program 1 times [2024-11-27 20:12:55,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:12:55,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157240753] [2024-11-27 20:12:55,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:55,914 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:12:55,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:12:55,917 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:12:55,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-27 20:12:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:56,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:12:56,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-27 20:12:56,689 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:56,689 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:12:56,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [157240753] [2024-11-27 20:12:56,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [157240753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:56,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:56,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:12:56,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227735680] [2024-11-27 20:12:56,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:56,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:12:56,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:12:56,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:12:56,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:12:56,693 INFO L87 Difference]: Start difference. First operand 120 states and 176 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:56,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:56,806 INFO L93 Difference]: Finished difference Result 239 states and 352 transitions. [2024-11-27 20:12:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:12:56,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-27 20:12:56,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:56,809 INFO L225 Difference]: With dead ends: 239 [2024-11-27 20:12:56,809 INFO L226 Difference]: Without dead ends: 122 [2024-11-27 20:12:56,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:12:56,811 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:56,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:12:56,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-27 20:12:56,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-27 20:12:56,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:12:56,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 178 transitions. [2024-11-27 20:12:56,837 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 178 transitions. Word has length 165 [2024-11-27 20:12:56,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:56,843 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 178 transitions. [2024-11-27 20:12:56,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:12:56,845 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 178 transitions. [2024-11-27 20:12:56,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:12:56,850 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:56,850 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:56,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-27 20:12:57,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:12:57,051 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:57,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:57,051 INFO L85 PathProgramCache]: Analyzing trace with hash -24625260, now seen corresponding path program 1 times [2024-11-27 20:12:57,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:12:57,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727172477] [2024-11-27 20:12:57,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:57,052 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:12:57,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:12:57,055 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:12:57,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-27 20:12:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:57,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:12:57,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:59,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2024-11-27 20:12:59,217 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:12:59,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 14 [2024-11-27 20:12:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-27 20:12:59,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:13:00,810 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-27 20:13:00,811 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:13:00,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727172477] [2024-11-27 20:13:00,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727172477] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:13:00,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:13:00,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-27 20:13:00,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370985306] [2024-11-27 20:13:00,812 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:13:00,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:13:00,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:13:00,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:13:00,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:13:00,815 INFO L87 Difference]: Start difference. First operand 122 states and 178 transitions. Second operand has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 13 states have internal predecessors, (81), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 4 states have call successors, (37) [2024-11-27 20:13:04,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:06,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:08,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:08,445 INFO L93 Difference]: Finished difference Result 380 states and 545 transitions. [2024-11-27 20:13:08,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 20:13:08,446 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 13 states have internal predecessors, (81), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 4 states have call successors, (37) Word has length 165 [2024-11-27 20:13:08,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:08,449 INFO L225 Difference]: With dead ends: 380 [2024-11-27 20:13:08,450 INFO L226 Difference]: Without dead ends: 261 [2024-11-27 20:13:08,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 317 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2024-11-27 20:13:08,452 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 229 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:08,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 1829 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-27 20:13:08,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-27 20:13:08,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 239. [2024-11-27 20:13:08,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 193 states have (on average 1.3575129533678756) internal successors, (262), 194 states have internal predecessors, (262), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-27 20:13:08,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 342 transitions. [2024-11-27 20:13:08,501 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 342 transitions. Word has length 165 [2024-11-27 20:13:08,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:08,501 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 342 transitions. [2024-11-27 20:13:08,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 13 states have internal predecessors, (81), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 4 states have call successors, (37) [2024-11-27 20:13:08,502 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 342 transitions. [2024-11-27 20:13:08,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:13:08,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:08,507 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:08,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:13:08,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:13:08,708 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:08,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:08,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1612973162, now seen corresponding path program 1 times [2024-11-27 20:13:08,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:13:08,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061464038] [2024-11-27 20:13:08,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:08,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:13:08,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:13:08,715 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:13:08,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 [2024-11-27 20:13:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:09,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:13:09,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:13:09,340 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:13:09,340 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:13:09,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061464038] [2024-11-27 20:13:09,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061464038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:09,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:09,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:13:09,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504504216] [2024-11-27 20:13:09,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:09,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:13:09,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:13:09,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:13:09,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:13:09,343 INFO L87 Difference]: Start difference. First operand 239 states and 342 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:13:09,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:09,432 INFO L93 Difference]: Finished difference Result 476 states and 683 transitions. [2024-11-27 20:13:09,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:13:09,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 165 [2024-11-27 20:13:09,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:09,438 INFO L225 Difference]: With dead ends: 476 [2024-11-27 20:13:09,438 INFO L226 Difference]: Without dead ends: 240 [2024-11-27 20:13:09,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:13:09,440 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:09,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:13:09,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-27 20:13:09,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2024-11-27 20:13:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 194 states have (on average 1.3556701030927836) internal successors, (263), 195 states have internal predecessors, (263), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-27 20:13:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 343 transitions. [2024-11-27 20:13:09,470 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 343 transitions. Word has length 165 [2024-11-27 20:13:09,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:09,471 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 343 transitions. [2024-11-27 20:13:09,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:13:09,471 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 343 transitions. [2024-11-27 20:13:09,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:13:09,474 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:09,474 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:09,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 [2024-11-27 20:13:09,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:13:09,678 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:09,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:09,679 INFO L85 PathProgramCache]: Analyzing trace with hash 687849428, now seen corresponding path program 1 times [2024-11-27 20:13:09,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:13:09,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121808829] [2024-11-27 20:13:09,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:09,680 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:13:09,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:13:09,682 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:13:09,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-27 20:13:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:10,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:13:10,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:10,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2024-11-27 20:13:10,652 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-11-27 20:13:10,652 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:13:10,652 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:13:10,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121808829] [2024-11-27 20:13:10,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2121808829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:10,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:10,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:13:10,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863652324] [2024-11-27 20:13:10,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:10,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:13:10,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:13:10,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:13:10,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:13:10,655 INFO L87 Difference]: Start difference. First operand 240 states and 343 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:13:13,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:16,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:18,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:21,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:24,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:26,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:27,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:28,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:28,024 INFO L93 Difference]: Finished difference Result 479 states and 685 transitions. [2024-11-27 20:13:28,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:13:28,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-11-27 20:13:28,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:28,053 INFO L225 Difference]: With dead ends: 479 [2024-11-27 20:13:28,053 INFO L226 Difference]: Without dead ends: 242 [2024-11-27 20:13:28,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:13:28,055 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 156 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:28,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 522 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2024-11-27 20:13:28,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-27 20:13:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 240. [2024-11-27 20:13:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 195 states have internal predecessors, (261), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-27 20:13:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 341 transitions. [2024-11-27 20:13:28,107 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 341 transitions. Word has length 165 [2024-11-27 20:13:28,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:28,108 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 341 transitions. [2024-11-27 20:13:28,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:13:28,108 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 341 transitions. [2024-11-27 20:13:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-27 20:13:28,110 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:28,111 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:28,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 [2024-11-27 20:13:28,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:13:28,311 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:28,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:28,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1338205264, now seen corresponding path program 1 times [2024-11-27 20:13:28,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:13:28,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1678505449] [2024-11-27 20:13:28,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:28,313 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:13:28,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:13:28,318 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:13:28,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-27 20:13:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:28,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:13:28,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-11-27 20:13:29,031 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:13:29,031 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:13:29,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1678505449] [2024-11-27 20:13:29,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1678505449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:29,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:29,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:13:29,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399706724] [2024-11-27 20:13:29,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:29,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:13:29,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:13:29,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:13:29,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:13:29,034 INFO L87 Difference]: Start difference. First operand 240 states and 341 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 20:13:29,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:29,644 INFO L93 Difference]: Finished difference Result 489 states and 693 transitions. [2024-11-27 20:13:29,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:13:29,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 167 [2024-11-27 20:13:29,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:29,646 INFO L225 Difference]: With dead ends: 489 [2024-11-27 20:13:29,647 INFO L226 Difference]: Without dead ends: 248 [2024-11-27 20:13:29,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:13:29,648 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:29,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 711 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:13:29,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-27 20:13:29,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 240. [2024-11-27 20:13:29,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 194 states have (on average 1.3350515463917525) internal successors, (259), 195 states have internal predecessors, (259), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-27 20:13:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 339 transitions. [2024-11-27 20:13:29,671 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 339 transitions. Word has length 167 [2024-11-27 20:13:29,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:29,671 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 339 transitions. [2024-11-27 20:13:29,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 20:13:29,671 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 339 transitions. [2024-11-27 20:13:29,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-27 20:13:29,673 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:29,674 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:29,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 [2024-11-27 20:13:29,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:13:29,874 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:29,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:29,875 INFO L85 PathProgramCache]: Analyzing trace with hash -60748338, now seen corresponding path program 1 times [2024-11-27 20:13:29,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:13:29,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140980192] [2024-11-27 20:13:29,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:29,875 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:13:29,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:13:29,877 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:13:29,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-27 20:13:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:30,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:13:30,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:30,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-27 20:13:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-11-27 20:13:30,981 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:13:30,981 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:13:30,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140980192] [2024-11-27 20:13:30,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2140980192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:30,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:30,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:13:30,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474593883] [2024-11-27 20:13:30,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:30,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:13:30,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:13:30,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:13:30,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:13:30,984 INFO L87 Difference]: Start difference. First operand 240 states and 339 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:13:33,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:35,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:37,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:38,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:41,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:44,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:46,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:47,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:47,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:47,919 INFO L93 Difference]: Finished difference Result 479 states and 677 transitions. [2024-11-27 20:13:47,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:13:47,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 167 [2024-11-27 20:13:47,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:47,947 INFO L225 Difference]: With dead ends: 479 [2024-11-27 20:13:47,947 INFO L226 Difference]: Without dead ends: 242 [2024-11-27 20:13:47,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:13:47,949 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 146 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:47,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 516 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2024-11-27 20:13:47,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-27 20:13:47,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 240. [2024-11-27 20:13:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 194 states have (on average 1.324742268041237) internal successors, (257), 195 states have internal predecessors, (257), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-27 20:13:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 337 transitions. [2024-11-27 20:13:47,972 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 337 transitions. Word has length 167 [2024-11-27 20:13:47,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:47,972 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 337 transitions. [2024-11-27 20:13:47,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:13:47,973 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 337 transitions. [2024-11-27 20:13:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:13:47,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:47,975 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:47,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-27 20:13:48,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:13:48,176 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:48,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:48,176 INFO L85 PathProgramCache]: Analyzing trace with hash 432201876, now seen corresponding path program 1 times [2024-11-27 20:13:48,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:13:48,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876095582] [2024-11-27 20:13:48,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:48,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:13:48,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:13:48,181 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:13:48,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 [2024-11-27 20:13:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:48,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 20:13:48,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:48,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 20:13:48,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-27 20:13:48,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:13:48,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2024-11-27 20:13:49,111 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:13:49,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 10 [2024-11-27 20:13:49,209 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:13:49,209 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:13:49,209 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:13:49,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876095582] [2024-11-27 20:13:49,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876095582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:49,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:49,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:13:49,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804577427] [2024-11-27 20:13:49,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:49,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:13:49,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:13:49,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:13:49,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:13:49,211 INFO L87 Difference]: Start difference. First operand 240 states and 337 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:13:52,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:55,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:00,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:00,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:00,951 INFO L93 Difference]: Finished difference Result 709 states and 997 transitions. [2024-11-27 20:14:00,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:14:00,952 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-27 20:14:00,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:00,956 INFO L225 Difference]: With dead ends: 709 [2024-11-27 20:14:00,957 INFO L226 Difference]: Without dead ends: 472 [2024-11-27 20:14:00,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:14:00,958 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 147 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:00,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1220 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 297 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2024-11-27 20:14:00,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-27 20:14:00,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 468. [2024-11-27 20:14:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 381 states have (on average 1.3280839895013123) internal successors, (506), 384 states have internal predecessors, (506), 76 states have call successors, (76), 10 states have call predecessors, (76), 10 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-27 20:14:01,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 658 transitions. [2024-11-27 20:14:01,003 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 658 transitions. Word has length 169 [2024-11-27 20:14:01,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:01,004 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 658 transitions. [2024-11-27 20:14:01,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:14:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 658 transitions. [2024-11-27 20:14:01,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:14:01,007 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:01,007 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:01,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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)] Ended with exit code 0 [2024-11-27 20:14:01,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:14:01,208 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:14:01,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:01,208 INFO L85 PathProgramCache]: Analyzing trace with hash -154604138, now seen corresponding path program 1 times [2024-11-27 20:14:01,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:14:01,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159528623] [2024-11-27 20:14:01,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:01,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:14:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:14:01,211 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:14:01,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-27 20:14:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:02,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:14:02,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:02,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 20:14:02,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:02,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2024-11-27 20:14:02,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:02,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2024-11-27 20:14:02,257 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:02,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 10 [2024-11-27 20:14:02,290 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:14:02,290 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:14:02,291 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:14:02,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159528623] [2024-11-27 20:14:02,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159528623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:02,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:14:02,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:14:02,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114217192] [2024-11-27 20:14:02,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:02,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:14:02,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:14:02,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:14:02,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:14:02,293 INFO L87 Difference]: Start difference. First operand 468 states and 658 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:14:06,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:10,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:11,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:11,226 INFO L93 Difference]: Finished difference Result 1008 states and 1409 transitions. [2024-11-27 20:14:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:14:11,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-27 20:14:11,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:11,232 INFO L225 Difference]: With dead ends: 1008 [2024-11-27 20:14:11,232 INFO L226 Difference]: Without dead ends: 543 [2024-11-27 20:14:11,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:14:11,234 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 141 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:11,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 621 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2024-11-27 20:14:11,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-27 20:14:11,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 540. [2024-11-27 20:14:11,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 433 states have (on average 1.3071593533487298) internal successors, (566), 437 states have internal predecessors, (566), 92 states have call successors, (92), 14 states have call predecessors, (92), 14 states have return successors, (92), 88 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-27 20:14:11,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 750 transitions. [2024-11-27 20:14:11,303 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 750 transitions. Word has length 169 [2024-11-27 20:14:11,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:11,304 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 750 transitions. [2024-11-27 20:14:11,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:14:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 750 transitions. [2024-11-27 20:14:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:14:11,307 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:11,307 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:11,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-27 20:14:11,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:14:11,508 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:14:11,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:11,509 INFO L85 PathProgramCache]: Analyzing trace with hash 298188370, now seen corresponding path program 1 times [2024-11-27 20:14:11,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:14:11,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231151370] [2024-11-27 20:14:11,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:11,509 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:14:11,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:14:11,511 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:14:11,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 (11)] Waiting until timeout for monitored process [2024-11-27 20:14:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:12,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:14:12,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:12,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 20:14:12,300 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:12,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2024-11-27 20:14:12,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:12,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2024-11-27 20:14:12,403 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:12,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 11 [2024-11-27 20:14:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:14:12,454 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:14:12,454 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:14:12,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231151370] [2024-11-27 20:14:12,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231151370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:12,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:14:12,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:14:12,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962353858] [2024-11-27 20:14:12,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:12,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:14:12,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:14:12,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:14:12,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:14:12,456 INFO L87 Difference]: Start difference. First operand 540 states and 750 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:14:15,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:18,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:21,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:24,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:24,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:24,955 INFO L93 Difference]: Finished difference Result 1020 states and 1411 transitions. [2024-11-27 20:14:24,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:14:24,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-27 20:14:24,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:24,961 INFO L225 Difference]: With dead ends: 1020 [2024-11-27 20:14:24,961 INFO L226 Difference]: Without dead ends: 551 [2024-11-27 20:14:24,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:14:24,964 INFO L435 NwaCegarLoop]: 265 mSDtfsCounter, 140 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:24,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 870 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2024-11-27 20:14:24,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-27 20:14:25,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 460. [2024-11-27 20:14:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 377 states have (on average 1.3156498673740054) internal successors, (496), 380 states have internal predecessors, (496), 70 states have call successors, (70), 12 states have call predecessors, (70), 12 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-27 20:14:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 636 transitions. [2024-11-27 20:14:25,010 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 636 transitions. Word has length 169 [2024-11-27 20:14:25,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:25,010 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 636 transitions. [2024-11-27 20:14:25,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:14:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 636 transitions. [2024-11-27 20:14:25,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:14:25,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:25,013 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:25,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 (11)] Ended with exit code 0 [2024-11-27 20:14:25,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:14:25,214 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:14:25,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:25,214 INFO L85 PathProgramCache]: Analyzing trace with hash -288617644, now seen corresponding path program 1 times [2024-11-27 20:14:25,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:14:25,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858450507] [2024-11-27 20:14:25,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:25,215 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:14:25,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:14:25,217 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:14:25,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 (12)] Waiting until timeout for monitored process [2024-11-27 20:14:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:26,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 20:14:26,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:26,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 20:14:26,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-27 20:14:26,163 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:26,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2024-11-27 20:14:26,276 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:26,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 10 [2024-11-27 20:14:26,343 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:14:26,343 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:14:26,344 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:14:26,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858450507] [2024-11-27 20:14:26,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858450507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:26,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:14:26,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:14:26,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142584036] [2024-11-27 20:14:26,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:26,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:14:26,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:14:26,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:14:26,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:14:26,345 INFO L87 Difference]: Start difference. First operand 460 states and 636 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:14:30,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:33,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:37,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:38,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:38,215 INFO L93 Difference]: Finished difference Result 988 states and 1365 transitions. [2024-11-27 20:14:38,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:14:38,219 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-11-27 20:14:38,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:38,223 INFO L225 Difference]: With dead ends: 988 [2024-11-27 20:14:38,223 INFO L226 Difference]: Without dead ends: 531 [2024-11-27 20:14:38,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:14:38,225 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 139 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:38,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1330 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 285 Invalid, 1 Unknown, 0 Unchecked, 11.7s Time] [2024-11-27 20:14:38,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-27 20:14:38,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 460. [2024-11-27 20:14:38,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 377 states have (on average 1.3103448275862069) internal successors, (494), 380 states have internal predecessors, (494), 70 states have call successors, (70), 12 states have call predecessors, (70), 12 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-27 20:14:38,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 634 transitions. [2024-11-27 20:14:38,271 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 634 transitions. Word has length 169 [2024-11-27 20:14:38,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:38,271 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 634 transitions. [2024-11-27 20:14:38,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:14:38,272 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 634 transitions. [2024-11-27 20:14:38,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-27 20:14:38,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:38,274 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:38,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 (12)] Ended with exit code 0 [2024-11-27 20:14:38,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:14:38,475 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:14:38,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:38,475 INFO L85 PathProgramCache]: Analyzing trace with hash 460209894, now seen corresponding path program 1 times [2024-11-27 20:14:38,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:14:38,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723574827] [2024-11-27 20:14:38,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:38,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:14:38,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:14:38,477 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:14:38,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 (13)] Waiting until timeout for monitored process [2024-11-27 20:14:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:39,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:14:39,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:14:39,301 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:14:39,301 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:14:39,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723574827] [2024-11-27 20:14:39,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [723574827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:39,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:14:39,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:14:39,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475690459] [2024-11-27 20:14:39,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:39,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:14:39,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:14:39,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:14:39,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:14:39,303 INFO L87 Difference]: Start difference. First operand 460 states and 634 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:14:39,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:39,461 INFO L93 Difference]: Finished difference Result 929 states and 1281 transitions. [2024-11-27 20:14:39,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:14:39,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 171 [2024-11-27 20:14:39,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:39,469 INFO L225 Difference]: With dead ends: 929 [2024-11-27 20:14:39,470 INFO L226 Difference]: Without dead ends: 472 [2024-11-27 20:14:39,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:14:39,472 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:39,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 660 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:14:39,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-27 20:14:39,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2024-11-27 20:14:39,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 389 states have (on average 1.300771208226221) internal successors, (506), 392 states have internal predecessors, (506), 70 states have call successors, (70), 12 states have call predecessors, (70), 12 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-27 20:14:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 646 transitions. [2024-11-27 20:14:39,518 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 646 transitions. Word has length 171 [2024-11-27 20:14:39,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:39,518 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 646 transitions. [2024-11-27 20:14:39,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:14:39,519 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 646 transitions. [2024-11-27 20:14:39,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-27 20:14:39,520 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:39,521 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:39,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 (13)] Ended with exit code 0 [2024-11-27 20:14:39,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:14:39,721 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:14:39,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:39,722 INFO L85 PathProgramCache]: Analyzing trace with hash 428229889, now seen corresponding path program 1 times [2024-11-27 20:14:39,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:14:39,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696646740] [2024-11-27 20:14:39,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:39,722 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:14:39,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:14:39,725 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:14:39,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 (14)] Waiting until timeout for monitored process [2024-11-27 20:14:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:40,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:14:40,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:40,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 20:14:40,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-27 20:14:40,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:40,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 10 [2024-11-27 20:14:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:14:40,936 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:14:40,936 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:14:40,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696646740] [2024-11-27 20:14:40,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696646740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:40,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:14:40,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:14:40,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057830086] [2024-11-27 20:14:40,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:40,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:14:40,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:14:40,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:14:40,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:14:40,938 INFO L87 Difference]: Start difference. First operand 472 states and 646 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:14:43,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:46,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:14:47,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:47,752 INFO L93 Difference]: Finished difference Result 1404 states and 1921 transitions. [2024-11-27 20:14:47,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:14:47,753 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 173 [2024-11-27 20:14:47,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:47,758 INFO L225 Difference]: With dead ends: 1404 [2024-11-27 20:14:47,758 INFO L226 Difference]: Without dead ends: 935 [2024-11-27 20:14:47,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:14:47,760 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 140 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:47,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 907 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-27 20:14:47,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2024-11-27 20:14:47,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 534. [2024-11-27 20:14:47,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 451 states have (on average 1.3082039911308203) internal successors, (590), 454 states have internal predecessors, (590), 70 states have call successors, (70), 12 states have call predecessors, (70), 12 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-27 20:14:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 730 transitions. [2024-11-27 20:14:47,814 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 730 transitions. Word has length 173 [2024-11-27 20:14:47,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:47,815 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 730 transitions. [2024-11-27 20:14:47,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:14:47,815 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 730 transitions. [2024-11-27 20:14:47,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-27 20:14:47,817 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:47,817 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:47,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 (14)] Forceful destruction successful, exit code 0 [2024-11-27 20:14:48,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:14:48,018 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:14:48,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:48,018 INFO L85 PathProgramCache]: Analyzing trace with hash 35202879, now seen corresponding path program 1 times [2024-11-27 20:14:48,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:14:48,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615461633] [2024-11-27 20:14:48,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:48,019 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:14:48,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:14:48,020 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:14:48,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 (15)] Waiting until timeout for monitored process [2024-11-27 20:14:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:50,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-27 20:14:50,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:51,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-27 20:14:51,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:51,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 26 [2024-11-27 20:14:52,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2024-11-27 20:14:54,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:54,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 53 [2024-11-27 20:14:54,902 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:54,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 53 [2024-11-27 20:14:55,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:55,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 53 [2024-11-27 20:14:56,480 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:14:56,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 99 treesize of output 69 [2024-11-27 20:15:00,001 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 479 proven. 66 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-27 20:15:00,001 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-27 20:15:02,818 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:15:02,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615461633] [2024-11-27 20:15:02,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615461633] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:02,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:02,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [29] total 37 [2024-11-27 20:15:02,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213158426] [2024-11-27 20:15:02,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:02,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:15:02,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:15:02,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:15:02,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1083, Unknown=0, NotChecked=0, Total=1332 [2024-11-27 20:15:02,821 INFO L87 Difference]: Start difference. First operand 534 states and 730 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:15:05,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:15:10,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:15:11,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:15:13,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:13,429 INFO L93 Difference]: Finished difference Result 1371 states and 1867 transitions. [2024-11-27 20:15:13,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:15:13,431 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 173 [2024-11-27 20:15:13,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:13,436 INFO L225 Difference]: With dead ends: 1371 [2024-11-27 20:15:13,436 INFO L226 Difference]: Without dead ends: 840 [2024-11-27 20:15:13,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=289, Invalid=1271, Unknown=0, NotChecked=0, Total=1560 [2024-11-27 20:15:13,439 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 882 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 104 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:13,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 949 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 232 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2024-11-27 20:15:13,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-27 20:15:13,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 698. [2024-11-27 20:15:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 590 states have (on average 1.3084745762711865) internal successors, (772), 595 states have internal predecessors, (772), 90 states have call successors, (90), 17 states have call predecessors, (90), 17 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-27 20:15:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 952 transitions. [2024-11-27 20:15:13,527 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 952 transitions. Word has length 173 [2024-11-27 20:15:13,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:13,528 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 952 transitions. [2024-11-27 20:15:13,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-27 20:15:13,529 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 952 transitions. [2024-11-27 20:15:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-27 20:15:13,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:13,531 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:13,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 (15)] Ended with exit code 0 [2024-11-27 20:15:13,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:15:13,731 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:13,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:13,732 INFO L85 PathProgramCache]: Analyzing trace with hash -744217749, now seen corresponding path program 1 times [2024-11-27 20:15:13,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:15:13,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661068176] [2024-11-27 20:15:13,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:13,732 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:15:13,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:15:13,734 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:15:13,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3679f1-1353-47c8-8179-d2d17becd945/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 (16)] Waiting until timeout for monitored process