./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.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_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 221b5a6bbea2d3affa28d277422c6c16e25871b0f2e6dd0968bfbdc5b5eb82af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:07:13,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:07:14,068 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:07:14,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:07:14,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:07:14,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:07:14,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:07:14,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:07:14,102 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:07:14,102 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:07:14,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:07:14,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:07:14,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:07:14,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:07:14,103 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:07:14,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:07:14,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:07:14,104 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:07:14,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:07:14,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:07:14,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:07:14,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:07:14,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:07:14,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:07:14,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:07:14,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:07:14,104 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:07:14,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:07:14,105 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:07:14,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:14,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:14,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:14,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:14,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:07:14,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:14,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:14,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:14,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:14,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:07:14,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:07:14,106 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:07:14,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:07:14,106 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:07:14,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:07:14,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:07:14,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:07:14,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:07:14,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:07:14,107 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_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 -> 221b5a6bbea2d3affa28d277422c6c16e25871b0f2e6dd0968bfbdc5b5eb82af [2024-11-28 02:07:14,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:07:14,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:07:14,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:07:14,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:07:14,456 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:07:14,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i [2024-11-28 02:07:17,658 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/data/526f8fb73/518f4c1676974373afae322869860581/FLAG871262d72 [2024-11-28 02:07:18,115 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:07:18,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i [2024-11-28 02:07:18,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/data/526f8fb73/518f4c1676974373afae322869860581/FLAG871262d72 [2024-11-28 02:07:18,149 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/data/526f8fb73/518f4c1676974373afae322869860581 [2024-11-28 02:07:18,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:07:18,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:07:18,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:18,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:07:18,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:07:18,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1971390e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18, skipping insertion in model container [2024-11-28 02:07:18,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,190 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:07:18,375 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_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i[917,930] [2024-11-28 02:07:18,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:18,478 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:07:18,491 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_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i[917,930] [2024-11-28 02:07:18,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:18,540 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:07:18,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18 WrapperNode [2024-11-28 02:07:18,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:18,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:18,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:07:18,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:07:18,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,629 INFO L138 Inliner]: procedures = 29, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 459 [2024-11-28 02:07:18,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:18,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:07:18,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:07:18,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:07:18,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,663 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,702 INFO L175 MemorySlicer]: Split 115 memory accesses to 2 slices as follows [2, 113]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 12 writes are split as follows [0, 12]. [2024-11-28 02:07:18,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,732 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:07:18,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:07:18,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:07:18,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:07:18,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (1/1) ... [2024-11-28 02:07:18,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:18,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:18,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:18,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:07:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:07:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 02:07:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 02:07:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:07:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:07:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 02:07:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 02:07:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:07:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:07:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 02:07:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 02:07:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:07:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:07:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:07:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:07:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:07:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:07:19,068 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:07:19,071 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:07:19,767 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-28 02:07:19,768 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:07:19,779 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:07:19,779 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:07:19,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:19 BoogieIcfgContainer [2024-11-28 02:07:19,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:07:19,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:07:19,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:07:19,786 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:07:19,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:07:18" (1/3) ... [2024-11-28 02:07:19,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e2a0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:19, skipping insertion in model container [2024-11-28 02:07:19,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:18" (2/3) ... [2024-11-28 02:07:19,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e2a0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:19, skipping insertion in model container [2024-11-28 02:07:19,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:19" (3/3) ... [2024-11-28 02:07:19,789 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-47.i [2024-11-28 02:07:19,805 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:07:19,806 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-47.i that has 2 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:07:19,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:07:19,907 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;@df9c38e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:07:19,907 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:07:19,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 84 states have (on average 1.4642857142857142) internal successors, (123), 85 states have internal predecessors, (123), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:07:19,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:07:19,927 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:19,928 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:19,929 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:19,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:19,954 INFO L85 PathProgramCache]: Analyzing trace with hash -766083450, now seen corresponding path program 1 times [2024-11-28 02:07:19,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:19,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365581044] [2024-11-28 02:07:19,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:19,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-28 02:07:20,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:20,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365581044] [2024-11-28 02:07:20,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365581044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:20,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966255114] [2024-11-28 02:07:20,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:20,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:20,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:20,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:20,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:07:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:20,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:07:20,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-28 02:07:20,690 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:20,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966255114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:20,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:07:20,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:07:20,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834022783] [2024-11-28 02:07:20,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:20,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:07:20,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:20,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:07:20,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:07:20,734 INFO L87 Difference]: Start difference. First operand has 96 states, 84 states have (on average 1.4642857142857142) internal successors, (123), 85 states have internal predecessors, (123), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 02:07:20,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:20,779 INFO L93 Difference]: Finished difference Result 185 states and 285 transitions. [2024-11-28 02:07:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:07:20,781 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2024-11-28 02:07:20,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:20,790 INFO L225 Difference]: With dead ends: 185 [2024-11-28 02:07:20,790 INFO L226 Difference]: Without dead ends: 92 [2024-11-28 02:07:20,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:07:20,798 INFO L435 NwaCegarLoop]: 134 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, 134 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:20,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:20,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-28 02:07:20,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-28 02:07:20,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 81 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:07:20,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2024-11-28 02:07:20,855 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 84 [2024-11-28 02:07:20,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:20,855 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2024-11-28 02:07:20,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 02:07:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2024-11-28 02:07:20,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:07:20,862 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:20,862 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:20,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:21,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:21,063 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:21,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:21,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1428001612, now seen corresponding path program 1 times [2024-11-28 02:07:21,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:21,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738517058] [2024-11-28 02:07:21,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:21,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:21,411 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 02:07:21,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:21,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738517058] [2024-11-28 02:07:21,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738517058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:21,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:21,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:07:21,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176559759] [2024-11-28 02:07:21,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:21,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:07:21,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:21,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:07:21,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:07:21,414 INFO L87 Difference]: Start difference. First operand 92 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:07:21,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:21,451 INFO L93 Difference]: Finished difference Result 182 states and 267 transitions. [2024-11-28 02:07:21,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:07:21,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-11-28 02:07:21,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:21,453 INFO L225 Difference]: With dead ends: 182 [2024-11-28 02:07:21,453 INFO L226 Difference]: Without dead ends: 93 [2024-11-28 02:07:21,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:07:21,454 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 260 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 [2024-11-28 02:07:21,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 260 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:21,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-28 02:07:21,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-28 02:07:21,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 82 states have internal predecessors, (117), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:07:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-11-28 02:07:21,464 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 84 [2024-11-28 02:07:21,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:21,466 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-11-28 02:07:21,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:07:21,466 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-11-28 02:07:21,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:07:21,468 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:21,468 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:21,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:07:21,469 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:21,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:21,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1178021942, now seen corresponding path program 1 times [2024-11-28 02:07:21,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:21,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608021550] [2024-11-28 02:07:21,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:21,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:21,980 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 02:07:21,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:21,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608021550] [2024-11-28 02:07:21,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608021550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:21,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046881789] [2024-11-28 02:07:21,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:21,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:21,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:21,988 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:21,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:07:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:22,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:07:22,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:22,354 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 02:07:22,354 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:22,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046881789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:22,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:07:22,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-28 02:07:22,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628509241] [2024-11-28 02:07:22,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:22,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:22,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:22,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:22,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:07:22,359 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:07:22,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:22,426 INFO L93 Difference]: Finished difference Result 186 states and 271 transitions. [2024-11-28 02:07:22,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:22,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-11-28 02:07:22,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:22,429 INFO L225 Difference]: With dead ends: 186 [2024-11-28 02:07:22,429 INFO L226 Difference]: Without dead ends: 96 [2024-11-28 02:07:22,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:07:22,430 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 1 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:22,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 384 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:22,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-28 02:07:22,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-11-28 02:07:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:07:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2024-11-28 02:07:22,442 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 84 [2024-11-28 02:07:22,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:22,444 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2024-11-28 02:07:22,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:07:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2024-11-28 02:07:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:07:22,448 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:22,448 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:22,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:07:22,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:22,649 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:22,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:22,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1179868984, now seen corresponding path program 1 times [2024-11-28 02:07:22,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:22,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905639141] [2024-11-28 02:07:22,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:22,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 02:07:22,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:22,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905639141] [2024-11-28 02:07:22,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905639141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:22,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979262588] [2024-11-28 02:07:22,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:22,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:22,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:22,944 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:22,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:07:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:23,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:23,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 02:07:23,219 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:23,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979262588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:23,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:07:23,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-11-28 02:07:23,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788556204] [2024-11-28 02:07:23,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:23,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:23,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:23,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:23,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:07:23,221 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:07:23,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:23,280 INFO L93 Difference]: Finished difference Result 190 states and 275 transitions. [2024-11-28 02:07:23,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:23,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-11-28 02:07:23,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:23,283 INFO L225 Difference]: With dead ends: 190 [2024-11-28 02:07:23,283 INFO L226 Difference]: Without dead ends: 98 [2024-11-28 02:07:23,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:07:23,289 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:23,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 509 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:23,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-28 02:07:23,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-28 02:07:23,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 87 states have (on average 1.4022988505747127) internal successors, (122), 87 states have internal predecessors, (122), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:07:23,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2024-11-28 02:07:23,311 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 84 [2024-11-28 02:07:23,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:23,312 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2024-11-28 02:07:23,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:07:23,312 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2024-11-28 02:07:23,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:07:23,318 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:23,319 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:23,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:23,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:23,519 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:23,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:23,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1603693142, now seen corresponding path program 1 times [2024-11-28 02:07:23,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:23,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848795112] [2024-11-28 02:07:23,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:23,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:23,679 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:07:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:23,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:07:23,876 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:07:23,880 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:07:23,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:07:23,887 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 02:07:24,070 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:07:24,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:07:24 BoogieIcfgContainer [2024-11-28 02:07:24,079 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:07:24,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:07:24,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:07:24,082 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:07:24,083 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:19" (3/4) ... [2024-11-28 02:07:24,090 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:07:24,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:07:24,092 INFO L158 Benchmark]: Toolchain (without parser) took 5938.66ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 77.4MB in the end (delta: 17.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-28 02:07:24,093 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:24,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.53ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 80.3MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:07:24,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.23ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 77.1MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:07:24,094 INFO L158 Benchmark]: Boogie Preprocessor took 115.34ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 73.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:24,095 INFO L158 Benchmark]: RCFGBuilder took 1025.16ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 45.5MB in the end (delta: 28.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 02:07:24,095 INFO L158 Benchmark]: TraceAbstraction took 4297.77ms. Allocated memory is still 117.4MB. Free memory was 45.0MB in the beginning and 77.4MB in the end (delta: -32.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-28 02:07:24,096 INFO L158 Benchmark]: Witness Printer took 11.49ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 77.4MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:24,098 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.53ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 80.3MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.23ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 77.1MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.34ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 73.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1025.16ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 45.5MB in the end (delta: 28.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4297.77ms. Allocated memory is still 117.4MB. Free memory was 45.0MB in the beginning and 77.4MB in the end (delta: -32.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Witness Printer took 11.49ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 77.4MB in the end (delta: 13.7kB). 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 someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 74. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L45] double* WrapperStruct0_var_1_1_Pointer = &(WrapperStruct0.var_1_1); [L46] double* WrapperStruct0_var_1_8_Pointer = &(WrapperStruct0.var_1_8); [L47] signed char* WrapperStruct0_var_1_9_Pointer = &(WrapperStruct0.var_1_9); [L48] signed char* WrapperStruct0_var_1_10_Pointer = &(WrapperStruct0.var_1_10); [L49] signed char* WrapperStruct0_var_1_11_Pointer = &(WrapperStruct0.var_1_11); [L50] signed long int* WrapperStruct0_var_1_12_Pointer = &(WrapperStruct0.var_1_12); [L51] unsigned char* WrapperStruct0_var_1_13_Pointer = &(WrapperStruct0.var_1_13); [L52] unsigned char* WrapperStruct0_var_1_14_Pointer = &(WrapperStruct0.var_1_14); [L53] double* WrapperStruct0_var_1_15_Pointer = &(WrapperStruct0.var_1_15); [L54] signed long int last_1_WrapperStruct0_var_1_12 = 8; VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=0, last_1_WrapperStruct0_var_1_12=8] [L108] isInitial = 1 [L109] FCALL initially() [L111] CALL updateLastVariables() [L101] EXPR WrapperStruct0.var_1_12 [L101] last_1_WrapperStruct0_var_1_12 = WrapperStruct0.var_1_12 [L111] RET updateLastVariables() [L112] CALL updateVariables() [L85] WrapperStruct0.var_1_8 = __VERIFIER_nondet_double() [L86] EXPR WrapperStruct0.var_1_8 [L86] EXPR WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L86] EXPR WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F [L86] EXPR WrapperStruct0.var_1_8 [L86] EXPR WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L86] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L86] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L86] CALL assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L86] RET assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L87] WrapperStruct0.var_1_10 = __VERIFIER_nondet_char() [L88] EXPR WrapperStruct0.var_1_10 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L88] CALL assume_abort_if_not(WrapperStruct0.var_1_10 >= -63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L88] RET assume_abort_if_not(WrapperStruct0.var_1_10 >= -63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L89] EXPR WrapperStruct0.var_1_10 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L89] CALL assume_abort_if_not(WrapperStruct0.var_1_10 <= 63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L89] RET assume_abort_if_not(WrapperStruct0.var_1_10 <= 63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L90] WrapperStruct0.var_1_11 = __VERIFIER_nondet_char() [L91] EXPR WrapperStruct0.var_1_11 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L91] CALL assume_abort_if_not(WrapperStruct0.var_1_11 >= -63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L91] RET assume_abort_if_not(WrapperStruct0.var_1_11 >= -63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L92] EXPR WrapperStruct0.var_1_11 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L92] CALL assume_abort_if_not(WrapperStruct0.var_1_11 <= 63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L92] RET assume_abort_if_not(WrapperStruct0.var_1_11 <= 63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L93] WrapperStruct0.var_1_13 = __VERIFIER_nondet_uchar() [L94] EXPR WrapperStruct0.var_1_13 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L94] CALL assume_abort_if_not(WrapperStruct0.var_1_13 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L94] RET assume_abort_if_not(WrapperStruct0.var_1_13 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] EXPR WrapperStruct0.var_1_13 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] CALL assume_abort_if_not(WrapperStruct0.var_1_13 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] RET assume_abort_if_not(WrapperStruct0.var_1_13 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L96] WrapperStruct0.var_1_14 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct0.var_1_14 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L97] CALL assume_abort_if_not(WrapperStruct0.var_1_14 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L97] RET assume_abort_if_not(WrapperStruct0.var_1_14 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L98] EXPR WrapperStruct0.var_1_14 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L98] CALL assume_abort_if_not(WrapperStruct0.var_1_14 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L98] RET assume_abort_if_not(WrapperStruct0.var_1_14 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L112] RET updateVariables() [L113] CALL step() [L58] COND FALSE !(-4 > last_1_WrapperStruct0_var_1_12) [L63] EXPR \read(*WrapperStruct0_var_1_10_Pointer) [L63] (*(WrapperStruct0_var_1_9_Pointer)) = (*(WrapperStruct0_var_1_10_Pointer)) [L65] EXPR \read(*WrapperStruct0_var_1_13_Pointer) [L65] unsigned char stepLocal_0 = ! (*(WrapperStruct0_var_1_13_Pointer)); [L66] stepLocal_0 || (*(WrapperStruct0_var_1_14_Pointer)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L66] stepLocal_0 || (*(WrapperStruct0_var_1_14_Pointer)) [L66] EXPR \read(*WrapperStruct0_var_1_14_Pointer) [L66] stepLocal_0 || (*(WrapperStruct0_var_1_14_Pointer)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L66] COND FALSE !(stepLocal_0 || (*(WrapperStruct0_var_1_14_Pointer))) [L73] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L73] (*(WrapperStruct0_var_1_15_Pointer)) = (*(WrapperStruct0_var_1_8_Pointer)) [L74] EXPR \read(*WrapperStruct0_var_1_15_Pointer) [L74] EXPR \read(*WrapperStruct0_var_1_15_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L74] COND FALSE !((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) [L79] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L79] EXPR \read(*WrapperStruct0_var_1_9_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L79] COND TRUE (*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer)) [L80] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L80] (*(WrapperStruct0_var_1_1_Pointer)) = (*(WrapperStruct0_var_1_8_Pointer)) [L113] RET step() [L114] CALL, EXPR property() [L104] EXPR \read(*WrapperStruct0_var_1_15_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_15_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L104] EXPR ((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1) [L104] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_9_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L104] EXPR ((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1 [L104] EXPR \read(*WrapperStruct0_var_1_1_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L104] EXPR ((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L104] EXPR ((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L104] EXPR (((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (*(WrapperStruct0_var_1_10_Pointer))))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L104] EXPR (((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (*(WrapperStruct0_var_1_10_Pointer))))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L104] EXPR ((((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (*(WrapperStruct0_var_1_10_Pointer)))))) && (((! (*(WrapperStruct0_var_1_13_Pointer))) || (*(WrapperStruct0_var_1_14_Pointer))) ? ((! (*(WrapperStruct0_var_1_14_Pointer))) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) ((((((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) < 0 ) ? -(((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) : (((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_9_Pointer))))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L104] EXPR ((((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (*(WrapperStruct0_var_1_10_Pointer)))))) && (((! (*(WrapperStruct0_var_1_13_Pointer))) || (*(WrapperStruct0_var_1_14_Pointer))) ? ((! (*(WrapperStruct0_var_1_14_Pointer))) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) ((((((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) < 0 ) ? -(((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) : (((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_9_Pointer))))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L104] EXPR (((((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (*(WrapperStruct0_var_1_10_Pointer)))))) && (((! (*(WrapperStruct0_var_1_13_Pointer))) || (*(WrapperStruct0_var_1_14_Pointer))) ? ((! (*(WrapperStruct0_var_1_14_Pointer))) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) ((((((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) < 0 ) ? -(((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) : (((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_9_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_15_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L104] EXPR (((((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (*(WrapperStruct0_var_1_10_Pointer)))))) && (((! (*(WrapperStruct0_var_1_13_Pointer))) || (*(WrapperStruct0_var_1_14_Pointer))) ? ((! (*(WrapperStruct0_var_1_14_Pointer))) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) ((((((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) < 0 ) ? -(((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) : (((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_9_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_15_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L104-L105] return (((((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (*(WrapperStruct0_var_1_10_Pointer)))))) && (((! (*(WrapperStruct0_var_1_13_Pointer))) || (*(WrapperStruct0_var_1_14_Pointer))) ? ((! (*(WrapperStruct0_var_1_14_Pointer))) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) ((((((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) < 0 ) ? -(((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) : (((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_9_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_15_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L19] reach_error() VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 1287 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 758 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 529 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=4, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 672 NumberOfCodeBlocks, 672 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 581 ConstructedInterpolants, 0 QuantifiedInterpolants, 615 SizeOfPredicates, 0 NumberOfNonLiveVariables, 971 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 974/1008 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:07:24,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 221b5a6bbea2d3affa28d277422c6c16e25871b0f2e6dd0968bfbdc5b5eb82af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:07:27,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:07:27,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:07:27,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:07:27,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:07:27,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:07:27,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:07:27,475 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:07:27,476 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:07:27,476 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:07:27,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:07:27,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:07:27,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:07:27,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:07:27,479 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:07:27,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:07:27,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:07:27,480 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:07:27,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:07:27,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:07:27,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:07:27,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:07:27,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:07:27,480 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:07:27,480 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:07:27,481 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:07:27,481 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:07:27,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:07:27,481 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:07:27,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:07:27,481 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:07:27,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:27,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:27,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:27,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:27,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:07:27,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:27,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:27,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:27,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:27,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:07:27,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:07:27,485 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:07:27,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:07:27,485 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:07:27,485 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:07:27,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:07:27,486 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:07:27,486 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:07:27,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:07:27,487 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_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 -> 221b5a6bbea2d3affa28d277422c6c16e25871b0f2e6dd0968bfbdc5b5eb82af [2024-11-28 02:07:27,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:07:27,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:07:27,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:07:27,937 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:07:27,938 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:07:27,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i [2024-11-28 02:07:30,983 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/data/3e59559e0/6b6fa148f12f4efd863edd26729aaf05/FLAGd845a3f5b [2024-11-28 02:07:31,343 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:07:31,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i [2024-11-28 02:07:31,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/data/3e59559e0/6b6fa148f12f4efd863edd26729aaf05/FLAGd845a3f5b [2024-11-28 02:07:31,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/data/3e59559e0/6b6fa148f12f4efd863edd26729aaf05 [2024-11-28 02:07:31,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:07:31,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:07:31,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:31,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:07:31,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:07:31,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:31" (1/1) ... [2024-11-28 02:07:31,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47cc3c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:31, skipping insertion in model container [2024-11-28 02:07:31,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:31" (1/1) ... [2024-11-28 02:07:31,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:07:31,842 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_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i[917,930] [2024-11-28 02:07:31,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:31,954 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:07:31,965 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_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i[917,930] [2024-11-28 02:07:32,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:32,067 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:07:32,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32 WrapperNode [2024-11-28 02:07:32,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:32,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:32,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:07:32,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:07:32,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,141 INFO L138 Inliner]: procedures = 33, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 457 [2024-11-28 02:07:32,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:32,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:07:32,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:07:32,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:07:32,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,203 INFO L175 MemorySlicer]: Split 115 memory accesses to 2 slices as follows [2, 113]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 12 writes are split as follows [0, 12]. [2024-11-28 02:07:32,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,235 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:07:32,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:07:32,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:07:32,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:07:32,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (1/1) ... [2024-11-28 02:07:32,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:32,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:32,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:32,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:07:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:07:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 02:07:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 02:07:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 02:07:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 02:07:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 02:07:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 02:07:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:07:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:07:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 02:07:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 02:07:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 02:07:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 02:07:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 02:07:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 02:07:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:07:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:07:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:07:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:07:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 02:07:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 02:07:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 02:07:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 02:07:32,501 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:07:32,503 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:07:33,337 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-28 02:07:33,338 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:07:33,351 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:07:33,352 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:07:33,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:33 BoogieIcfgContainer [2024-11-28 02:07:33,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:07:33,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:07:33,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:07:33,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:07:33,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:07:31" (1/3) ... [2024-11-28 02:07:33,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195816e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:33, skipping insertion in model container [2024-11-28 02:07:33,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:32" (2/3) ... [2024-11-28 02:07:33,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195816e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:33, skipping insertion in model container [2024-11-28 02:07:33,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:33" (3/3) ... [2024-11-28 02:07:33,363 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-47.i [2024-11-28 02:07:33,377 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:07:33,379 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-47.i that has 2 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:07:33,434 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:07:33,447 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;@772d9e39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:07:33,448 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:07:33,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 84 states have (on average 1.4642857142857142) internal successors, (123), 85 states have internal predecessors, (123), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:07:33,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:07:33,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:33,463 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:33,464 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:33,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:33,469 INFO L85 PathProgramCache]: Analyzing trace with hash -766083450, now seen corresponding path program 1 times [2024-11-28 02:07:33,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:33,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439005742] [2024-11-28 02:07:33,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:33,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:07:33,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:33,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:07:33,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 02:07:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:33,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:07:33,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 02:07:33,951 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:33,951 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:33,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439005742] [2024-11-28 02:07:33,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439005742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:33,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:33,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:07:33,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859028326] [2024-11-28 02:07:33,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:33,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:07:33,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:33,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:07:33,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:07:33,981 INFO L87 Difference]: Start difference. First operand has 96 states, 84 states have (on average 1.4642857142857142) internal successors, (123), 85 states have internal predecessors, (123), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 02:07:34,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:34,010 INFO L93 Difference]: Finished difference Result 185 states and 285 transitions. [2024-11-28 02:07:34,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:07:34,012 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2024-11-28 02:07:34,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:34,020 INFO L225 Difference]: With dead ends: 185 [2024-11-28 02:07:34,020 INFO L226 Difference]: Without dead ends: 92 [2024-11-28 02:07:34,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:07:34,026 INFO L435 NwaCegarLoop]: 134 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, 134 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:34,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:34,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-28 02:07:34,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-28 02:07:34,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 81 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:07:34,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2024-11-28 02:07:34,083 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 84 [2024-11-28 02:07:34,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:34,083 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2024-11-28 02:07:34,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 02:07:34,084 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2024-11-28 02:07:34,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:07:34,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:34,087 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:34,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 02:07:34,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:07:34,289 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:34,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:34,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1428001612, now seen corresponding path program 1 times [2024-11-28 02:07:34,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:34,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250804748] [2024-11-28 02:07:34,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:34,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:07:34,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:34,294 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:07:34,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 02:07:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:34,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:07:34,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 02:07:34,675 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:34,675 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:34,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250804748] [2024-11-28 02:07:34,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250804748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:34,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:34,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:07:34,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950463281] [2024-11-28 02:07:34,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:34,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:07:34,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:34,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:07:34,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:07:34,683 INFO L87 Difference]: Start difference. First operand 92 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:07:34,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:34,741 INFO L93 Difference]: Finished difference Result 182 states and 267 transitions. [2024-11-28 02:07:34,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:07:34,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-11-28 02:07:34,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:34,744 INFO L225 Difference]: With dead ends: 182 [2024-11-28 02:07:34,744 INFO L226 Difference]: Without dead ends: 93 [2024-11-28 02:07:34,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:07:34,746 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 260 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 [2024-11-28 02:07:34,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 260 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:34,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-28 02:07:34,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-28 02:07:34,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 82 states have internal predecessors, (117), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:07:34,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-11-28 02:07:34,759 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 84 [2024-11-28 02:07:34,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:34,761 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-11-28 02:07:34,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:07:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-11-28 02:07:34,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:07:34,764 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:34,764 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:34,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:07:34,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:07:34,965 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:34,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:34,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1178021942, now seen corresponding path program 1 times [2024-11-28 02:07:34,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:34,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163255545] [2024-11-28 02:07:34,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:34,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:07:34,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:34,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:07:34,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:07:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:35,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:35,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 02:07:35,469 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:35,469 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:35,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163255545] [2024-11-28 02:07:35,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163255545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:35,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:35,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:35,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146315985] [2024-11-28 02:07:35,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:35,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:35,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:35,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:35,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:35,472 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:07:35,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:35,686 INFO L93 Difference]: Finished difference Result 186 states and 271 transitions. [2024-11-28 02:07:35,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:35,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-11-28 02:07:35,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:35,691 INFO L225 Difference]: With dead ends: 186 [2024-11-28 02:07:35,691 INFO L226 Difference]: Without dead ends: 96 [2024-11-28 02:07:35,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:35,697 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:35,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 509 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:07:35,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-28 02:07:35,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-28 02:07:35,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 85 states have (on average 1.411764705882353) internal successors, (120), 85 states have internal predecessors, (120), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:07:35,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2024-11-28 02:07:35,717 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 84 [2024-11-28 02:07:35,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:35,718 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2024-11-28 02:07:35,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:07:35,719 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2024-11-28 02:07:35,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:07:35,721 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:35,721 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:35,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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)] Ended with exit code 0 [2024-11-28 02:07:35,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:07:35,925 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:35,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:35,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1605540184, now seen corresponding path program 1 times [2024-11-28 02:07:35,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:35,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67203666] [2024-11-28 02:07:35,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:35,928 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:07:35,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:35,930 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:07:35,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 02:07:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:36,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:36,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:36,378 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 02:07:36,378 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:36,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:36,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67203666] [2024-11-28 02:07:36,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67203666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:36,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:36,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:36,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731570735] [2024-11-28 02:07:36,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:36,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:36,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:36,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:36,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:36,381 INFO L87 Difference]: Start difference. First operand 96 states and 138 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:07:37,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:37,348 INFO L93 Difference]: Finished difference Result 194 states and 280 transitions. [2024-11-28 02:07:37,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:37,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-11-28 02:07:37,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:37,351 INFO L225 Difference]: With dead ends: 194 [2024-11-28 02:07:37,351 INFO L226 Difference]: Without dead ends: 101 [2024-11-28 02:07:37,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:37,353 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 1 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:37,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 503 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:07:37,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-28 02:07:37,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2024-11-28 02:07:37,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 89 states have internal predecessors, (124), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:07:37,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 142 transitions. [2024-11-28 02:07:37,364 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 142 transitions. Word has length 84 [2024-11-28 02:07:37,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:37,364 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 142 transitions. [2024-11-28 02:07:37,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:07:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 142 transitions. [2024-11-28 02:07:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:07:37,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:37,367 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:37,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:37,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:07:37,572 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:37,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:37,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1603693142, now seen corresponding path program 1 times [2024-11-28 02:07:37,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:37,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892291741] [2024-11-28 02:07:37,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:37,574 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:07:37,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:37,577 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:07:37,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 02:07:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:38,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 02:07:38,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:38,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 02:07:39,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 55 [2024-11-28 02:07:40,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 63 [2024-11-28 02:07:41,499 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 109 treesize of output 74 [2024-11-28 02:07:42,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 85 [2024-11-28 02:07:43,947 INFO L349 Elim1Store]: treesize reduction 79, result has 16.0 percent of original size [2024-11-28 02:07:43,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 130 treesize of output 112 [2024-11-28 02:07:44,334 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:07:44,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 167 treesize of output 79 [2024-11-28 02:07:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 64 proven. 56 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:07:44,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:45,300 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:45,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892291741] [2024-11-28 02:07:45,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892291741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:45,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1064276019] [2024-11-28 02:07:45,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:45,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:07:45,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:07:45,305 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:07:45,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-28 02:07:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:47,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-28 02:07:47,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:47,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-28 02:07:49,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 71 [2024-11-28 02:07:50,990 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 125 treesize of output 82 [2024-11-28 02:07:52,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 99 [2024-11-28 02:07:53,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 110 [2024-11-28 02:07:54,653 INFO L349 Elim1Store]: treesize reduction 91, result has 14.2 percent of original size [2024-11-28 02:07:54,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 136 treesize of output 137 [2024-11-28 02:07:55,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 51 [2024-11-28 02:07:59,417 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 02:07:59,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:59,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1064276019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:59,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:07:59,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 22 [2024-11-28 02:07:59,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919694803] [2024-11-28 02:07:59,662 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:59,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 02:07:59,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:59,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 02:07:59,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=544, Unknown=1, NotChecked=0, Total=650 [2024-11-28 02:07:59,664 INFO L87 Difference]: Start difference. First operand 100 states and 142 transitions. Second operand has 23 states, 23 states have (on average 3.9130434782608696) internal successors, (90), 22 states have internal predecessors, (90), 9 states have call successors, (18), 9 states have call predecessors, (18), 9 states have return successors, (18), 9 states have call predecessors, (18), 9 states have call successors, (18) [2024-11-28 02:08:10,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:10,101 INFO L93 Difference]: Finished difference Result 370 states and 516 transitions. [2024-11-28 02:08:10,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:08:10,102 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.9130434782608696) internal successors, (90), 22 states have internal predecessors, (90), 9 states have call successors, (18), 9 states have call predecessors, (18), 9 states have return successors, (18), 9 states have call predecessors, (18), 9 states have call successors, (18) Word has length 84 [2024-11-28 02:08:10,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:10,104 INFO L225 Difference]: With dead ends: 370 [2024-11-28 02:08:10,105 INFO L226 Difference]: Without dead ends: 273 [2024-11-28 02:08:10,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=271, Invalid=1060, Unknown=1, NotChecked=0, Total=1332 [2024-11-28 02:08:10,108 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 1361 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:10,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1361 Valid, 822 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-11-28 02:08:10,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-28 02:08:10,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 150. [2024-11-28 02:08:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 125 states have (on average 1.328) internal successors, (166), 125 states have internal predecessors, (166), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:08:10,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 202 transitions. [2024-11-28 02:08:10,151 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 202 transitions. Word has length 84 [2024-11-28 02:08:10,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:10,152 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 202 transitions. [2024-11-28 02:08:10,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.9130434782608696) internal successors, (90), 22 states have internal predecessors, (90), 9 states have call successors, (18), 9 states have call predecessors, (18), 9 states have return successors, (18), 9 states have call predecessors, (18), 9 states have call successors, (18) [2024-11-28 02:08:10,152 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 202 transitions. [2024-11-28 02:08:10,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:08:10,155 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:10,155 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:10,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-28 02:08:10,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:08:10,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:08:10,558 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:08:10,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:10,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1303975955, now seen corresponding path program 1 times [2024-11-28 02:08:10,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:08:10,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696949283] [2024-11-28 02:08:10,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:10,563 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:08:10,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:08:10,565 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:08:10,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:08:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:10,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:08:10,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:11,027 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:11,027 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 136 treesize of output 46 [2024-11-28 02:08:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 02:08:11,147 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:08:11,147 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:08:11,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696949283] [2024-11-28 02:08:11,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696949283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:11,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:11,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:08:11,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147781390] [2024-11-28 02:08:11,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:11,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:08:11,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:08:11,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:08:11,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:11,149 INFO L87 Difference]: Start difference. First operand 150 states and 202 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:08:16,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:08:18,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:18,307 INFO L93 Difference]: Finished difference Result 342 states and 462 transitions. [2024-11-28 02:08:18,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:08:18,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-11-28 02:08:18,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:18,311 INFO L225 Difference]: With dead ends: 342 [2024-11-28 02:08:18,311 INFO L226 Difference]: Without dead ends: 195 [2024-11-28 02:08:18,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:08:18,313 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 57 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:18,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 366 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2024-11-28 02:08:18,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-28 02:08:18,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 152. [2024-11-28 02:08:18,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 127 states have (on average 1.3228346456692914) internal successors, (168), 127 states have internal predecessors, (168), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:08:18,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2024-11-28 02:08:18,345 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 84 [2024-11-28 02:08:18,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:18,346 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2024-11-28 02:08:18,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:08:18,346 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2024-11-28 02:08:18,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:08:18,348 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:18,348 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:18,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:08:18,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:08:18,549 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:08:18,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:18,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1363453396, now seen corresponding path program 1 times [2024-11-28 02:08:18,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:08:18,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761329802] [2024-11-28 02:08:18,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:18,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:08:18,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:08:18,553 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:08:18,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-28 02:08:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:18,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:08:18,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 02:08:18,802 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:08:18,802 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:08:18,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [761329802] [2024-11-28 02:08:18,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [761329802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:18,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:18,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:18,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110428088] [2024-11-28 02:08:18,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:18,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:18,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:08:18,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:18,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:18,806 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:08:18,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:18,919 INFO L93 Difference]: Finished difference Result 301 states and 405 transitions. [2024-11-28 02:08:18,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:18,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-11-28 02:08:18,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:18,922 INFO L225 Difference]: With dead ends: 301 [2024-11-28 02:08:18,922 INFO L226 Difference]: Without dead ends: 152 [2024-11-28 02:08:18,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:18,923 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:18,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 389 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:08:18,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-28 02:08:18,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-28 02:08:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 127 states have (on average 1.31496062992126) internal successors, (167), 127 states have internal predecessors, (167), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:08:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 203 transitions. [2024-11-28 02:08:18,959 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 203 transitions. Word has length 84 [2024-11-28 02:08:18,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:18,959 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 203 transitions. [2024-11-28 02:08:18,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:08:18,959 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 203 transitions. [2024-11-28 02:08:18,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:08:18,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:18,961 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:18,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:08:19,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:08:19,162 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:08:19,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:19,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1802536291, now seen corresponding path program 1 times [2024-11-28 02:08:19,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:08:19,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87896963] [2024-11-28 02:08:19,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:19,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:08:19,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:08:19,164 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:08:19,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:08:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:19,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-28 02:08:19,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:19,780 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 [2024-11-28 02:08:20,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 55 [2024-11-28 02:08:21,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 55 [2024-11-28 02:08:22,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 55 [2024-11-28 02:08:23,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 63 [2024-11-28 02:08:24,240 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2024-11-28 02:08:24,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 114 treesize of output 90 [2024-11-28 02:08:24,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 78 [2024-11-28 02:08:24,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:24,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 71 [2024-11-28 02:08:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-28 02:08:24,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:08:27,625 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:08:27,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87896963] [2024-11-28 02:08:27,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87896963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:08:27,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [859305280] [2024-11-28 02:08:27,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:27,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:08:27,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:08:27,627 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:08:27,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-28 02:08:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:29,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-28 02:08:29,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:30,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 02:08:32,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 63 [2024-11-28 02:08:33,761 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 112 treesize of output 66 [2024-11-28 02:08:35,045 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 112 treesize of output 66 [2024-11-28 02:08:36,420 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 112 treesize of output 66 [2024-11-28 02:08:37,919 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2024-11-28 02:08:37,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 114 treesize of output 90 [2024-11-28 02:08:38,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 78 [2024-11-28 02:08:38,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 115 [2024-11-28 02:08:39,664 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 24 proven. 56 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 02:08:39,665 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:08:41,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [859305280] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:08:41,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:08:41,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2024-11-28 02:08:41,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706165021] [2024-11-28 02:08:41,523 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:08:41,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 02:08:41,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:08:41,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 02:08:41,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=698, Unknown=0, NotChecked=0, Total=812 [2024-11-28 02:08:41,524 INFO L87 Difference]: Start difference. First operand 152 states and 203 transitions. Second operand has 21 states, 21 states have (on average 3.8095238095238093) internal successors, (80), 20 states have internal predecessors, (80), 5 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-28 02:08:50,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:50,421 INFO L93 Difference]: Finished difference Result 432 states and 586 transitions. [2024-11-28 02:08:50,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:08:50,422 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.8095238095238093) internal successors, (80), 20 states have internal predecessors, (80), 5 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 85 [2024-11-28 02:08:50,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:50,424 INFO L225 Difference]: With dead ends: 432 [2024-11-28 02:08:50,424 INFO L226 Difference]: Without dead ends: 283 [2024-11-28 02:08:50,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 189 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=244, Invalid=1162, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 02:08:50,427 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 1020 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:50,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 701 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-28 02:08:50,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-28 02:08:50,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 161. [2024-11-28 02:08:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 136 states have (on average 1.3308823529411764) internal successors, (181), 136 states have internal predecessors, (181), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:08:50,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 217 transitions. [2024-11-28 02:08:50,462 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 217 transitions. Word has length 85 [2024-11-28 02:08:50,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:50,462 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 217 transitions. [2024-11-28 02:08:50,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.8095238095238093) internal successors, (80), 20 states have internal predecessors, (80), 5 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-28 02:08:50,463 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 217 transitions. [2024-11-28 02:08:50,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:08:50,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:50,465 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:50,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-28 02:08:50,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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)] Forceful destruction successful, exit code 0 [2024-11-28 02:08:50,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:08:50,866 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:08:50,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:50,866 INFO L85 PathProgramCache]: Analyzing trace with hash -760820634, now seen corresponding path program 1 times [2024-11-28 02:08:50,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:08:50,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060383911] [2024-11-28 02:08:50,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:50,867 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:08:50,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:08:50,869 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:08:50,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:08:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:51,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:08:51,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:51,223 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:51,223 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 52 treesize of output 36 [2024-11-28 02:08:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 02:08:51,289 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:08:51,289 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:08:51,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060383911] [2024-11-28 02:08:51,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060383911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:51,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:51,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:08:51,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348693658] [2024-11-28 02:08:51,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:51,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:08:51,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:08:51,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:08:51,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:51,291 INFO L87 Difference]: Start difference. First operand 161 states and 217 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:08:52,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:52,199 INFO L93 Difference]: Finished difference Result 355 states and 480 transitions. [2024-11-28 02:08:52,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:08:52,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 86 [2024-11-28 02:08:52,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:52,201 INFO L225 Difference]: With dead ends: 355 [2024-11-28 02:08:52,201 INFO L226 Difference]: Without dead ends: 197 [2024-11-28 02:08:52,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:08:52,202 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 48 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:52,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 345 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:08:52,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-28 02:08:52,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 162. [2024-11-28 02:08:52,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 137 states have (on average 1.3284671532846715) internal successors, (182), 137 states have internal predecessors, (182), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:08:52,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 218 transitions. [2024-11-28 02:08:52,233 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 218 transitions. Word has length 86 [2024-11-28 02:08:52,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:52,234 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 218 transitions. [2024-11-28 02:08:52,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:08:52,234 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 218 transitions. [2024-11-28 02:08:52,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:08:52,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:52,236 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:52,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:08:52,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:08:52,436 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:08:52,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:52,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1522767668, now seen corresponding path program 1 times [2024-11-28 02:08:52,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:08:52,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529471841] [2024-11-28 02:08:52,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:52,438 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:08:52,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:08:52,442 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:08:52,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:08:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:52,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-28 02:08:52,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:53,342 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 12 treesize of output 8 [2024-11-28 02:08:54,630 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 42 treesize of output 22 [2024-11-28 02:08:55,366 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 42 treesize of output 22 [2024-11-28 02:08:56,044 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 42 treesize of output 22 [2024-11-28 02:08:56,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 31 [2024-11-28 02:08:56,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2024-11-28 02:08:57,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:57,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 35 [2024-11-28 02:08:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 36 proven. 80 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 02:08:57,553 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:08:58,410 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:08:58,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529471841] [2024-11-28 02:08:58,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529471841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:08:58,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [786332255] [2024-11-28 02:08:58,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:58,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:08:58,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:08:58,412 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:08:58,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-28 02:08:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:59,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-28 02:08:59,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:09:00,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-28 02:09:04,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2024-11-28 02:09:07,038 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 54 treesize of output 51 [2024-11-28 02:09:08,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2024-11-28 02:09:10,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 63 [2024-11-28 02:09:11,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 75 [2024-11-28 02:09:12,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 36 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2024-11-28 02:09:19,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 65 [2024-11-28 02:09:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 02:09:19,748 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:09:30,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [786332255] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:09:30,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:09:30,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 25] total 38 [2024-11-28 02:09:30,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212053721] [2024-11-28 02:09:30,365 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:09:30,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-28 02:09:30,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:09:30,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-28 02:09:30,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=1921, Unknown=4, NotChecked=0, Total=2256 [2024-11-28 02:09:30,368 INFO L87 Difference]: Start difference. First operand 162 states and 218 transitions. Second operand has 39 states, 35 states have (on average 3.0285714285714285) internal successors, (106), 33 states have internal predecessors, (106), 11 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 10 states have call predecessors, (18), 11 states have call successors, (18) [2024-11-28 02:09:41,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:09:49,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:09:53,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:09:57,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:01,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:05,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:10,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:19,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:23,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:28,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:32,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:36,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:40,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:44,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:48,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:52,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:10:56,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:11:11,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:11:11,734 INFO L93 Difference]: Finished difference Result 941 states and 1244 transitions. [2024-11-28 02:11:11,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-28 02:11:11,735 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 35 states have (on average 3.0285714285714285) internal successors, (106), 33 states have internal predecessors, (106), 11 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 10 states have call predecessors, (18), 11 states have call successors, (18) Word has length 86 [2024-11-28 02:11:11,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:11:11,739 INFO L225 Difference]: With dead ends: 941 [2024-11-28 02:11:11,739 INFO L226 Difference]: Without dead ends: 782 [2024-11-28 02:11:11,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 174 SyntacticMatches, 2 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2023 ImplicationChecksByTransitivity, 42.0s TimeCoverageRelationStatistics Valid=1325, Invalid=5979, Unknown=6, NotChecked=0, Total=7310 [2024-11-28 02:11:11,743 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 1921 mSDsluCounter, 1460 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 151 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 2261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 2093 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:11:11,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1929 Valid, 1540 Invalid, 2261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 2093 Invalid, 17 Unknown, 0 Unchecked, 83.7s Time] [2024-11-28 02:11:11,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-11-28 02:11:11,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 606. [2024-11-28 02:11:11,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 544 states have (on average 1.349264705882353) internal successors, (734), 547 states have internal predecessors, (734), 39 states have call successors, (39), 22 states have call predecessors, (39), 22 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 02:11:11,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 812 transitions. [2024-11-28 02:11:11,838 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 812 transitions. Word has length 86 [2024-11-28 02:11:11,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:11:11,838 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 812 transitions. [2024-11-28 02:11:11,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 35 states have (on average 3.0285714285714285) internal successors, (106), 33 states have internal predecessors, (106), 11 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 10 states have call predecessors, (18), 11 states have call successors, (18) [2024-11-28 02:11:11,839 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 812 transitions. [2024-11-28 02:11:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:11:11,840 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:11:11,840 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:11:11,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-28 02:11:12,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:11:12,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:11:12,241 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:11:12,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:11:12,242 INFO L85 PathProgramCache]: Analyzing trace with hash 652838670, now seen corresponding path program 1 times [2024-11-28 02:11:12,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:11:12,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905091668] [2024-11-28 02:11:12,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:11:12,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:11:12,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:11:12,247 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:11:12,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:11:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:11:12,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 02:11:12,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:11:14,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 44 [2024-11-28 02:11:15,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:11:15,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 153 treesize of output 94 [2024-11-28 02:11:19,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:11:19,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 220 treesize of output 92 [2024-11-28 02:11:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 02:11:19,935 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:11:19,935 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:11:19,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905091668] [2024-11-28 02:11:19,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1905091668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:11:19,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:11:19,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:11:19,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106976623] [2024-11-28 02:11:19,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:11:19,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:11:19,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:11:19,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:11:19,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=54, Unknown=1, NotChecked=0, Total=72 [2024-11-28 02:11:19,936 INFO L87 Difference]: Start difference. First operand 606 states and 812 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:11:26,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:11:40,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:11:40,494 INFO L93 Difference]: Finished difference Result 1176 states and 1585 transitions. [2024-11-28 02:11:40,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:11:40,496 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 86 [2024-11-28 02:11:40,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:11:40,502 INFO L225 Difference]: With dead ends: 1176 [2024-11-28 02:11:40,502 INFO L226 Difference]: Without dead ends: 841 [2024-11-28 02:11:40,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=43, Invalid=110, Unknown=3, NotChecked=0, Total=156 [2024-11-28 02:11:40,504 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 252 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:11:40,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 553 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 586 Invalid, 1 Unknown, 0 Unchecked, 10.6s Time] [2024-11-28 02:11:40,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-11-28 02:11:40,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 609. [2024-11-28 02:11:40,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 547 states have (on average 1.3473491773308959) internal successors, (737), 550 states have internal predecessors, (737), 39 states have call successors, (39), 22 states have call predecessors, (39), 22 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 02:11:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 815 transitions. [2024-11-28 02:11:40,638 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 815 transitions. Word has length 86 [2024-11-28 02:11:40,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:11:40,639 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 815 transitions. [2024-11-28 02:11:40,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-28 02:11:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 815 transitions. [2024-11-28 02:11:40,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:11:40,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:11:40,642 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:11:40,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:11:40,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:11:40,843 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:11:40,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:11:40,844 INFO L85 PathProgramCache]: Analyzing trace with hash -368229684, now seen corresponding path program 1 times [2024-11-28 02:11:40,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:11:40,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822467733] [2024-11-28 02:11:40,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:11:40,845 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:11:40,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:11:40,847 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:11:40,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 [2024-11-28 02:11:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:11:41,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 02:11:41,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:11:41,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-28 02:11:43,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 63 [2024-11-28 02:11:44,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 63 [2024-11-28 02:11:46,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 63 [2024-11-28 02:11:47,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 71 [2024-11-28 02:11:49,097 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2024-11-28 02:11:49,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 112 treesize of output 104 [2024-11-28 02:11:49,585 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:11:49,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 62 [2024-11-28 02:11:53,905 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:11:53,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 89 treesize of output 41 [2024-11-28 02:11:54,040 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-28 02:11:54,041 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:12:03,852 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:12:03,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822467733] [2024-11-28 02:12:03,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [822467733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:12:03,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [491375947] [2024-11-28 02:12:03,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:12:03,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:12:03,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:12:03,855 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:12:03,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-28 02:12:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:12:06,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-28 02:12:06,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:12:06,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-28 02:12:25,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 67 [2024-11-28 02:12:31,789 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 99 treesize of output 84 [2024-11-28 02:12:37,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 95 [2024-11-28 02:12:44,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 106 [2024-11-28 02:12:50,789 INFO L349 Elim1Store]: treesize reduction 91, result has 14.2 percent of original size [2024-11-28 02:12:50,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 128 treesize of output 133 [2024-11-28 02:12:59,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 36 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 129 [2024-11-28 02:13:08,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 91 [2024-11-28 02:13:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 02:13:12,643 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:13:13,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [491375947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:13:13,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:13:13,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 22 [2024-11-28 02:13:13,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222647097] [2024-11-28 02:13:13,101 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:13:13,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 02:13:13,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:13:13,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 02:13:13,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=579, Unknown=16, NotChecked=0, Total=702 [2024-11-28 02:13:13,102 INFO L87 Difference]: Start difference. First operand 609 states and 815 transitions. Second operand has 23 states, 23 states have (on average 3.8260869565217392) internal successors, (88), 22 states have internal predecessors, (88), 7 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-28 02:14:18,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:22,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:35,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:39,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:43,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:47,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:51,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:55,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:59,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:03,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:07,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:11,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:15,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:20,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:25,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:29,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:38,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:42,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:46,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:50,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:55,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:59,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:03,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:07,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:12,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:16,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:20,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:24,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:28,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:32,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:37,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:41,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:42,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:48,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:52,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:56,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:17:00,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:17:02,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:17:09,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:09,966 INFO L93 Difference]: Finished difference Result 1215 states and 1636 transitions. [2024-11-28 02:17:09,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:17:09,967 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.8260869565217392) internal successors, (88), 22 states have internal predecessors, (88), 7 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 86 [2024-11-28 02:17:09,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:09,972 INFO L225 Difference]: With dead ends: 1215 [2024-11-28 02:17:09,972 INFO L226 Difference]: Without dead ends: 877 [2024-11-28 02:17:09,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 193 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 143.4s TimeCoverageRelationStatistics Valid=300, Invalid=1228, Unknown=32, NotChecked=0, Total=1560 [2024-11-28 02:17:09,974 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 1018 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 1555 mSolverCounterSat, 43 mSolverCounterUnsat, 36 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 165.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1555 IncrementalHoareTripleChecker+Invalid, 36 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 165.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:09,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 1190 Invalid, 1634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1555 Invalid, 36 Unknown, 0 Unchecked, 165.8s Time] [2024-11-28 02:17:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2024-11-28 02:17:10,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 618. [2024-11-28 02:17:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 556 states have (on average 1.3489208633093526) internal successors, (750), 559 states have internal predecessors, (750), 39 states have call successors, (39), 22 states have call predecessors, (39), 22 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 02:17:10,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 828 transitions. [2024-11-28 02:17:10,095 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 828 transitions. Word has length 86 [2024-11-28 02:17:10,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:10,096 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 828 transitions. [2024-11-28 02:17:10,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.8260869565217392) internal successors, (88), 22 states have internal predecessors, (88), 7 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-28 02:17:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 828 transitions. [2024-11-28 02:17:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:17:10,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:10,098 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:17:10,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-28 02:17:10,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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)] Ended with exit code 0 [2024-11-28 02:17:10,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:17:10,499 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:10,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:10,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1963105168, now seen corresponding path program 1 times [2024-11-28 02:17:10,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:17:10,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700089869] [2024-11-28 02:17:10,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:10,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:17:10,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:17:10,502 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:17:10,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 (18)] Waiting until timeout for monitored process [2024-11-28 02:17:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:10,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-28 02:17:10,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:17:11,281 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 [2024-11-28 02:17:13,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 53 [2024-11-28 02:17:13,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 53 [2024-11-28 02:17:14,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 61 [2024-11-28 02:17:16,113 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 110 treesize of output 64 [2024-11-28 02:17:17,132 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2024-11-28 02:17:17,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 112 treesize of output 88 [2024-11-28 02:17:17,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:17:17,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 149 treesize of output 69 [2024-11-28 02:17:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 38 proven. 74 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-28 02:17:17,714 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:17:18,543 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:17:18,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700089869] [2024-11-28 02:17:18,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1700089869] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:17:18,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1931592585] [2024-11-28 02:17:18,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:18,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:17:18,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:17:18,546 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:17:18,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-28 02:17:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:20,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-28 02:17:20,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:17:24,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 53 [2024-11-28 02:17:25,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 53 [2024-11-28 02:17:26,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 61 [2024-11-28 02:17:28,174 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 110 treesize of output 64 [2024-11-28 02:17:29,535 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2024-11-28 02:17:29,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 112 treesize of output 88 [2024-11-28 02:17:30,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 69 [2024-11-28 02:17:30,548 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 38 proven. 74 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-28 02:17:30,548 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:17:31,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1931592585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:17:31,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:17:31,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2024-11-28 02:17:31,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725269151] [2024-11-28 02:17:31,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:17:31,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 02:17:31,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:17:31,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 02:17:31,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=780, Unknown=0, NotChecked=0, Total=930 [2024-11-28 02:17:31,195 INFO L87 Difference]: Start difference. First operand 618 states and 828 transitions. Second operand has 26 states, 24 states have (on average 3.7916666666666665) internal successors, (91), 23 states have internal predecessors, (91), 8 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 6 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-28 02:17:44,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:44,721 INFO L93 Difference]: Finished difference Result 1664 states and 2225 transitions. [2024-11-28 02:17:44,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 02:17:44,722 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 3.7916666666666665) internal successors, (91), 23 states have internal predecessors, (91), 8 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 6 states have call predecessors, (18), 8 states have call successors, (18) Word has length 86 [2024-11-28 02:17:44,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:44,728 INFO L225 Difference]: With dead ends: 1664 [2024-11-28 02:17:44,728 INFO L226 Difference]: Without dead ends: 1049 [2024-11-28 02:17:44,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=428, Invalid=1734, Unknown=0, NotChecked=0, Total=2162 [2024-11-28 02:17:44,731 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 423 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:44,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 925 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2024-11-28 02:17:44,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2024-11-28 02:17:44,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 726. [2024-11-28 02:17:44,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 635 states have (on average 1.3275590551181102) internal successors, (843), 638 states have internal predecessors, (843), 57 states have call successors, (57), 33 states have call predecessors, (57), 33 states have return successors, (57), 54 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-28 02:17:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 957 transitions. [2024-11-28 02:17:44,891 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 957 transitions. Word has length 86 [2024-11-28 02:17:44,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:44,892 INFO L471 AbstractCegarLoop]: Abstraction has 726 states and 957 transitions. [2024-11-28 02:17:44,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 3.7916666666666665) internal successors, (91), 23 states have internal predecessors, (91), 8 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 6 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-28 02:17:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 957 transitions. [2024-11-28 02:17:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:17:44,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:44,894 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:17:44,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 (18)] Ended with exit code 0 [2024-11-28 02:17:45,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-28 02:17:45,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:17:45,295 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:45,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:45,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1124071506, now seen corresponding path program 1 times [2024-11-28 02:17:45,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:17:45,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896479685] [2024-11-28 02:17:45,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:45,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:17:45,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:17:45,297 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:17:45,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 (20)] Waiting until timeout for monitored process [2024-11-28 02:17:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:45,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:17:45,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:17:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 02:17:45,687 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:17:45,687 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:17:45,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896479685] [2024-11-28 02:17:45,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896479685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:17:45,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:17:45,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:17:45,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821726763] [2024-11-28 02:17:45,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:17:45,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:17:45,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:17:45,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:17:45,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:17:45,690 INFO L87 Difference]: Start difference. First operand 726 states and 957 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 02:17:46,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:46,157 INFO L93 Difference]: Finished difference Result 1357 states and 1780 transitions. [2024-11-28 02:17:46,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:17:46,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 86 [2024-11-28 02:17:46,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:46,161 INFO L225 Difference]: With dead ends: 1357 [2024-11-28 02:17:46,161 INFO L226 Difference]: Without dead ends: 604 [2024-11-28 02:17:46,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:17:46,163 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 1 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:46,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 588 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:17:46,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-11-28 02:17:46,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 417. [2024-11-28 02:17:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 357 states have (on average 1.2941176470588236) internal successors, (462), 357 states have internal predecessors, (462), 36 states have call successors, (36), 23 states have call predecessors, (36), 23 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 02:17:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 534 transitions. [2024-11-28 02:17:46,295 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 534 transitions. Word has length 86 [2024-11-28 02:17:46,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:46,295 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 534 transitions. [2024-11-28 02:17:46,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 02:17:46,295 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 534 transitions. [2024-11-28 02:17:46,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-28 02:17:46,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:46,297 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:17:46,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 (20)] Ended with exit code 0 [2024-11-28 02:17:46,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:17:46,498 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:46,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:46,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1817032447, now seen corresponding path program 1 times [2024-11-28 02:17:46,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:17:46,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315380654] [2024-11-28 02:17:46,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:46,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:17:46,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:17:46,501 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:17:46,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/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 (21)] Waiting until timeout for monitored process [2024-11-28 02:17:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:46,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-28 02:17:46,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:17:47,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-28 02:17:50,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 71 [2024-11-28 02:17:52,371 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 110 treesize of output 80 [2024-11-28 02:17:54,388 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 107 treesize of output 88 [2024-11-28 02:17:56,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 99 [2024-11-28 02:17:59,367 INFO L349 Elim1Store]: treesize reduction 79, result has 16.0 percent of original size [2024-11-28 02:17:59,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 128 treesize of output 126 [2024-11-28 02:18:00,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 68 [2024-11-28 02:18:00,685 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:18:00,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 28 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 76 [2024-11-28 02:18:09,276 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:18:09,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 97 treesize of output 45 [2024-11-28 02:18:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-28 02:18:09,480 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:18:23,763 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:18:23,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315380654] [2024-11-28 02:18:23,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315380654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:18:23,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [461693122] [2024-11-28 02:18:23,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:18:23,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:18:23,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:18:23,767 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:18:23,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b7f7d9-2a2c-4067-9c28-c7bba22cda97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-28 02:18:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:18:25,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-28 02:18:25,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:18:26,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 02:18:46,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 55 [2024-11-28 02:18:48,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 55 [2024-11-28 02:18:49,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 63 [2024-11-28 02:18:56,463 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 112 treesize of output 66 [2024-11-28 02:18:59,047 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2024-11-28 02:18:59,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 114 treesize of output 90 [2024-11-28 02:18:59,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 78 [2024-11-28 02:19:00,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 94 [2024-11-28 02:19:09,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 73 [2024-11-28 02:19:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 40 proven. 56 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:19:13,570 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:19:14,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [461693122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:19:14,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:19:14,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2024-11-28 02:19:14,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386497561] [2024-11-28 02:19:14,884 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:19:14,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-28 02:19:14,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:19:14,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-28 02:19:14,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=730, Unknown=13, NotChecked=0, Total=870 [2024-11-28 02:19:14,886 INFO L87 Difference]: Start difference. First operand 417 states and 534 transitions. Second operand has 25 states, 25 states have (on average 3.6) internal successors, (90), 24 states have internal predecessors, (90), 7 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-28 02:19:48,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:52,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:04,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:08,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:13,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:17,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:21,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:25,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:29,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:33,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:37,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:41,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:45,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:49,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:53,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:57,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:01,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:05,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:15,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:19,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:23,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:27,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:31,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:35,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:39,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:43,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:48,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:52,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:56,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:22:01,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:22:05,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:22:09,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:22:13,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]