./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.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_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1 --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 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:47:11,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:47:11,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:47:11,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:47:11,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:47:11,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:47:11,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:47:11,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:47:11,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:47:11,276 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:47:11,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:47:11,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:47:11,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:47:11,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:47:11,276 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:47:11,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:47:11,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:47:11,277 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:47:11,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:47:11,277 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:47:11,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:47:11,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:47:11,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:47:11,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:47:11,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:47:11,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:47:11,277 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:47:11,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:47:11,278 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:47:11,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:47:11,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:47:11,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:47:11,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:11,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:47:11,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:47:11,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:47:11,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:47:11,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:11,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:47:11,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:47:11,279 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:47:11,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:47:11,279 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:47:11,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:47:11,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:47:11,279 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:47:11,279 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:47:11,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:47:11,279 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_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1 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 -> 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a [2024-12-02 15:47:11,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:47:11,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:47:11,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:47:11,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:47:11,580 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:47:11,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2024-12-02 15:47:14,859 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/data/53ce3fc1c/93134364202f40c1a5dac74f5e65388c/FLAGfc5ed016f [2024-12-02 15:47:15,099 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:47:15,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2024-12-02 15:47:15,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/data/53ce3fc1c/93134364202f40c1a5dac74f5e65388c/FLAGfc5ed016f [2024-12-02 15:47:15,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/data/53ce3fc1c/93134364202f40c1a5dac74f5e65388c [2024-12-02 15:47:15,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:47:15,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:47:15,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:47:15,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:47:15,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:47:15,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@953b592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15, skipping insertion in model container [2024-12-02 15:47:15,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:47:15,323 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_03444082-b440-4e48-bcd5-45db1983a750/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2024-12-02 15:47:15,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:47:15,415 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:47:15,424 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_03444082-b440-4e48-bcd5-45db1983a750/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2024-12-02 15:47:15,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:47:15,493 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:47:15,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15 WrapperNode [2024-12-02 15:47:15,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:47:15,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:47:15,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:47:15,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:47:15,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,564 INFO L138 Inliner]: procedures = 29, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 513 [2024-12-02 15:47:15,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:47:15,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:47:15,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:47:15,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:47:15,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,583 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,607 INFO L175 MemorySlicer]: Split 133 memory accesses to 5 slices as follows [2, 10, 6, 41, 74]. 56 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 2, 3, 8]. The 17 writes are split as follows [0, 1, 2, 3, 11]. [2024-12-02 15:47:15,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,631 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:47:15,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:47:15,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:47:15,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:47:15,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (1/1) ... [2024-12-02 15:47:15,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:15,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:15,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:47:15,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:47:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:47:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 15:47:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 15:47:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 15:47:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 15:47:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:47:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:47:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:47:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:47:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 15:47:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 15:47:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 15:47:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 15:47:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 15:47:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:47:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:47:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:47:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:47:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:47:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:47:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:47:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:47:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:47:15,874 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:47:15,876 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:47:16,449 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-12-02 15:47:16,449 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:47:16,461 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:47:16,462 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:47:16,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:16 BoogieIcfgContainer [2024-12-02 15:47:16,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:47:16,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:47:16,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:47:16,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:47:16,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:47:15" (1/3) ... [2024-12-02 15:47:16,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca43546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:16, skipping insertion in model container [2024-12-02 15:47:16,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:15" (2/3) ... [2024-12-02 15:47:16,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca43546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:16, skipping insertion in model container [2024-12-02 15:47:16,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:16" (3/3) ... [2024-12-02 15:47:16,473 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-82.i [2024-12-02 15:47:16,490 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:47:16,492 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-82.i that has 2 procedures, 115 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:47:16,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:47:16,567 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;@39f7bcb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:47:16,567 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:47:16,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:16,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 15:47:16,585 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:16,586 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:16,586 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:16,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:16,592 INFO L85 PathProgramCache]: Analyzing trace with hash 2092623542, now seen corresponding path program 1 times [2024-12-02 15:47:16,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:16,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343079391] [2024-12-02 15:47:16,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:16,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:16,901 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 15:47:16,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:16,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343079391] [2024-12-02 15:47:16,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343079391] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:47:16,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574678332] [2024-12-02 15:47:16,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:16,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:16,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:16,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:47:16,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:47:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:17,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:47:17,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 15:47:17,181 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:17,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574678332] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:17,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:47:17,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:47:17,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177490433] [2024-12-02 15:47:17,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:17,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:47:17,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:17,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:47:17,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:47:17,214 INFO L87 Difference]: Start difference. First operand has 115 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:47:17,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:17,247 INFO L93 Difference]: Finished difference Result 223 states and 344 transitions. [2024-12-02 15:47:17,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:47:17,249 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 121 [2024-12-02 15:47:17,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:17,257 INFO L225 Difference]: With dead ends: 223 [2024-12-02 15:47:17,257 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 15:47:17,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:47:17,263 INFO L435 NwaCegarLoop]: 157 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, 157 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 [2024-12-02 15:47:17,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:17,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 15:47:17,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-12-02 15:47:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2024-12-02 15:47:17,332 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 121 [2024-12-02 15:47:17,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:17,333 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2024-12-02 15:47:17,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:47:17,333 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2024-12-02 15:47:17,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 15:47:17,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:17,335 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:17,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:47:17,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:47:17,536 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:17,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:17,537 INFO L85 PathProgramCache]: Analyzing trace with hash -2143378276, now seen corresponding path program 1 times [2024-12-02 15:47:17,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:17,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117464412] [2024-12-02 15:47:17,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:17,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:17,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:17,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117464412] [2024-12-02 15:47:17,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117464412] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:17,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:17,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:47:17,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093769354] [2024-12-02 15:47:17,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:17,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:47:17,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:17,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:47:17,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:17,823 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:47:17,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:17,870 INFO L93 Difference]: Finished difference Result 221 states and 314 transitions. [2024-12-02 15:47:17,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:47:17,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 121 [2024-12-02 15:47:17,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:17,872 INFO L225 Difference]: With dead ends: 221 [2024-12-02 15:47:17,873 INFO L226 Difference]: Without dead ends: 113 [2024-12-02 15:47:17,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:17,874 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:17,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:17,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-12-02 15:47:17,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-12-02 15:47:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 97 states have (on average 1.3505154639175259) internal successors, (131), 97 states have internal predecessors, (131), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:17,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 159 transitions. [2024-12-02 15:47:17,887 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 159 transitions. Word has length 121 [2024-12-02 15:47:17,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:17,889 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 159 transitions. [2024-12-02 15:47:17,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:47:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 159 transitions. [2024-12-02 15:47:17,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 15:47:17,891 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:17,891 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:17,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:47:17,892 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:17,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:17,893 INFO L85 PathProgramCache]: Analyzing trace with hash 762295006, now seen corresponding path program 1 times [2024-12-02 15:47:17,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:17,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520583605] [2024-12-02 15:47:17,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:17,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 15:47:18,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:18,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520583605] [2024-12-02 15:47:18,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520583605] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:47:18,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463665988] [2024-12-02 15:47:18,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:18,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:18,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:18,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:47:18,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:47:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:18,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:47:18,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:18,596 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:18,596 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:18,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463665988] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:18,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:47:18,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-12-02 15:47:18,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157841900] [2024-12-02 15:47:18,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:18,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:47:18,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:18,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:47:18,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:47:18,598 INFO L87 Difference]: Start difference. First operand 113 states and 159 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:18,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:18,652 INFO L93 Difference]: Finished difference Result 226 states and 319 transitions. [2024-12-02 15:47:18,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:47:18,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-12-02 15:47:18,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:18,655 INFO L225 Difference]: With dead ends: 226 [2024-12-02 15:47:18,656 INFO L226 Difference]: Without dead ends: 116 [2024-12-02 15:47:18,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:47:18,657 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:18,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 451 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:18,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-12-02 15:47:18,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2024-12-02 15:47:18,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 99 states have (on average 1.3434343434343434) internal successors, (133), 99 states have internal predecessors, (133), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:18,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2024-12-02 15:47:18,671 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 121 [2024-12-02 15:47:18,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:18,671 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2024-12-02 15:47:18,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2024-12-02 15:47:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 15:47:18,674 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:18,675 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:18,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 15:47:18,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:18,876 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:18,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:18,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1442353376, now seen corresponding path program 1 times [2024-12-02 15:47:18,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:18,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201175848] [2024-12-02 15:47:18,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:18,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 15:47:19,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:19,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201175848] [2024-12-02 15:47:19,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201175848] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:47:19,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253869741] [2024-12-02 15:47:19,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:19,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:19,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:19,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:47:19,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:47:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:19,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:47:19,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:19,398 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:19,398 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:19,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253869741] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:19,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:47:19,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-12-02 15:47:19,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112357275] [2024-12-02 15:47:19,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:19,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:47:19,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:19,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:47:19,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:47:19,400 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:19,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:19,430 INFO L93 Difference]: Finished difference Result 230 states and 323 transitions. [2024-12-02 15:47:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:47:19,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-12-02 15:47:19,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:19,433 INFO L225 Difference]: With dead ends: 230 [2024-12-02 15:47:19,433 INFO L226 Difference]: Without dead ends: 118 [2024-12-02 15:47:19,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:47:19,435 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:19,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 452 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:19,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-12-02 15:47:19,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-12-02 15:47:19,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.3366336633663367) internal successors, (135), 101 states have internal predecessors, (135), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:19,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2024-12-02 15:47:19,446 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 121 [2024-12-02 15:47:19,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:19,446 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2024-12-02 15:47:19,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:19,447 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2024-12-02 15:47:19,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 15:47:19,449 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:19,449 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:19,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 15:47:19,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:19,650 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:19,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:19,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1077606558, now seen corresponding path program 1 times [2024-12-02 15:47:19,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:19,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460830447] [2024-12-02 15:47:19,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:19,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 15:47:19,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:19,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460830447] [2024-12-02 15:47:19,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460830447] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:47:19,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34760056] [2024-12-02 15:47:19,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:19,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:19,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:19,827 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:47:19,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 15:47:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:20,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:47:20,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:20,096 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:20,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34760056] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:20,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:47:20,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-12-02 15:47:20,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467682383] [2024-12-02 15:47:20,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:20,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:47:20,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:20,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:47:20,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:47:20,098 INFO L87 Difference]: Start difference. First operand 117 states and 163 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:20,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:20,126 INFO L93 Difference]: Finished difference Result 234 states and 327 transitions. [2024-12-02 15:47:20,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:47:20,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-12-02 15:47:20,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:20,128 INFO L225 Difference]: With dead ends: 234 [2024-12-02 15:47:20,128 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 15:47:20,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:47:20,130 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:20,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 454 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:20,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 15:47:20,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2024-12-02 15:47:20,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 103 states have (on average 1.3300970873786409) internal successors, (137), 103 states have internal predecessors, (137), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:20,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2024-12-02 15:47:20,139 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 121 [2024-12-02 15:47:20,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:20,140 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2024-12-02 15:47:20,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2024-12-02 15:47:20,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 15:47:20,142 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:20,142 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:20,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 15:47:20,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:20,343 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:20,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:20,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1075759516, now seen corresponding path program 1 times [2024-12-02 15:47:20,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:20,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510370813] [2024-12-02 15:47:20,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:20,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:20,566 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 15:47:20,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:20,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510370813] [2024-12-02 15:47:20,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510370813] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:47:20,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196336704] [2024-12-02 15:47:20,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:20,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:20,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:20,569 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:47:20,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 15:47:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:20,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:47:20,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:20,823 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:20,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196336704] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:20,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:47:20,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-12-02 15:47:20,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487680333] [2024-12-02 15:47:20,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:20,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:47:20,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:20,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:47:20,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:47:20,825 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:20,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:20,858 INFO L93 Difference]: Finished difference Result 237 states and 330 transitions. [2024-12-02 15:47:20,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:47:20,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-12-02 15:47:20,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:20,860 INFO L225 Difference]: With dead ends: 237 [2024-12-02 15:47:20,860 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 15:47:20,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:47:20,861 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:20,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:20,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 15:47:20,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-12-02 15:47:20,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.3238095238095238) internal successors, (139), 105 states have internal predecessors, (139), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 167 transitions. [2024-12-02 15:47:20,869 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 167 transitions. Word has length 121 [2024-12-02 15:47:20,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:20,870 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 167 transitions. [2024-12-02 15:47:20,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:20,870 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2024-12-02 15:47:20,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 15:47:20,872 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:20,872 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:20,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 15:47:21,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:21,072 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:21,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:21,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1733729878, now seen corresponding path program 1 times [2024-12-02 15:47:21,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:21,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126030465] [2024-12-02 15:47:21,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:21,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 15:47:21,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:21,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126030465] [2024-12-02 15:47:21,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126030465] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:47:21,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159828163] [2024-12-02 15:47:21,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:21,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:21,281 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:47:21,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 15:47:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:21,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:47:21,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:21,549 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:21,550 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:21,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159828163] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:21,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:47:21,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-12-02 15:47:21,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848060427] [2024-12-02 15:47:21,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:21,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:47:21,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:21,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:47:21,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:47:21,551 INFO L87 Difference]: Start difference. First operand 121 states and 167 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:21,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:21,586 INFO L93 Difference]: Finished difference Result 242 states and 335 transitions. [2024-12-02 15:47:21,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:47:21,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-12-02 15:47:21,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:21,589 INFO L225 Difference]: With dead ends: 242 [2024-12-02 15:47:21,589 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 15:47:21,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:47:21,590 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:21,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 601 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:21,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 15:47:21,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2024-12-02 15:47:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 106 states have (on average 1.320754716981132) internal successors, (140), 106 states have internal predecessors, (140), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:21,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2024-12-02 15:47:21,598 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 123 [2024-12-02 15:47:21,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:21,598 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2024-12-02 15:47:21,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:21,599 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2024-12-02 15:47:21,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 15:47:21,600 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:21,600 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:21,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-02 15:47:21,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:47:21,801 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:21,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:21,802 INFO L85 PathProgramCache]: Analyzing trace with hash -535031045, now seen corresponding path program 1 times [2024-12-02 15:47:21,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:21,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267181615] [2024-12-02 15:47:21,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:21,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:22,332 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:22,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:22,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267181615] [2024-12-02 15:47:22,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267181615] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:22,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:22,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:47:22,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374231464] [2024-12-02 15:47:22,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:22,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:47:22,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:22,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:47:22,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:47:22,334 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:47:22,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:22,422 INFO L93 Difference]: Finished difference Result 294 states and 404 transitions. [2024-12-02 15:47:22,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:47:22,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2024-12-02 15:47:22,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:22,424 INFO L225 Difference]: With dead ends: 294 [2024-12-02 15:47:22,424 INFO L226 Difference]: Without dead ends: 175 [2024-12-02 15:47:22,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:47:22,425 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 63 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:22,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 725 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:22,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-12-02 15:47:22,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 132. [2024-12-02 15:47:22,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 116 states have (on average 1.3362068965517242) internal successors, (155), 116 states have internal predecessors, (155), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:22,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 183 transitions. [2024-12-02 15:47:22,432 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 183 transitions. Word has length 125 [2024-12-02 15:47:22,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:22,433 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 183 transitions. [2024-12-02 15:47:22,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:47:22,433 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 183 transitions. [2024-12-02 15:47:22,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 15:47:22,434 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:22,434 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:22,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:47:22,435 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:22,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:22,435 INFO L85 PathProgramCache]: Analyzing trace with hash 495890986, now seen corresponding path program 1 times [2024-12-02 15:47:22,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:22,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327637484] [2024-12-02 15:47:22,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:22,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:24,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:24,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327637484] [2024-12-02 15:47:24,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327637484] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:24,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:24,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:47:24,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391614143] [2024-12-02 15:47:24,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:24,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:47:24,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:24,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:47:24,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:47:24,298 INFO L87 Difference]: Start difference. First operand 132 states and 183 transitions. Second operand has 12 states, 10 states have (on average 5.9) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 15:47:24,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:24,950 INFO L93 Difference]: Finished difference Result 367 states and 510 transitions. [2024-12-02 15:47:24,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:47:24,951 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.9) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 3 states have call successors, (14) Word has length 126 [2024-12-02 15:47:24,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:24,953 INFO L225 Difference]: With dead ends: 367 [2024-12-02 15:47:24,953 INFO L226 Difference]: Without dead ends: 238 [2024-12-02 15:47:24,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:47:24,954 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 109 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1605 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:24,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1605 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:47:24,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-12-02 15:47:24,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 235. [2024-12-02 15:47:24,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 212 states have (on average 1.3537735849056605) internal successors, (287), 213 states have internal predecessors, (287), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:47:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 327 transitions. [2024-12-02 15:47:24,971 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 327 transitions. Word has length 126 [2024-12-02 15:47:24,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:24,971 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 327 transitions. [2024-12-02 15:47:24,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.9) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 15:47:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 327 transitions. [2024-12-02 15:47:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 15:47:24,973 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:24,973 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:24,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:47:24,974 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:24,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:24,974 INFO L85 PathProgramCache]: Analyzing trace with hash 367727219, now seen corresponding path program 1 times [2024-12-02 15:47:24,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:24,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68582805] [2024-12-02 15:47:24,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:24,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:25,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:25,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68582805] [2024-12-02 15:47:25,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68582805] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:25,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:25,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:47:25,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866557250] [2024-12-02 15:47:25,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:25,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:47:25,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:25,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:47:25,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:47:25,161 INFO L87 Difference]: Start difference. First operand 235 states and 327 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:25,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:25,286 INFO L93 Difference]: Finished difference Result 617 states and 862 transitions. [2024-12-02 15:47:25,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:47:25,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 126 [2024-12-02 15:47:25,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:25,291 INFO L225 Difference]: With dead ends: 617 [2024-12-02 15:47:25,291 INFO L226 Difference]: Without dead ends: 385 [2024-12-02 15:47:25,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:47:25,292 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 75 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:25,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 714 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:25,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-12-02 15:47:25,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 317. [2024-12-02 15:47:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 294 states have (on average 1.3911564625850341) internal successors, (409), 295 states have internal predecessors, (409), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:47:25,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 449 transitions. [2024-12-02 15:47:25,310 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 449 transitions. Word has length 126 [2024-12-02 15:47:25,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:25,311 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 449 transitions. [2024-12-02 15:47:25,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:25,311 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 449 transitions. [2024-12-02 15:47:25,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 15:47:25,313 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:25,313 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:25,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:47:25,313 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:25,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:25,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1211449236, now seen corresponding path program 1 times [2024-12-02 15:47:25,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:25,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433383245] [2024-12-02 15:47:25,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:25,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:25,724 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:25,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:25,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433383245] [2024-12-02 15:47:25,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433383245] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:25,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:25,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:47:25,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046448781] [2024-12-02 15:47:25,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:25,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:47:25,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:25,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:47:25,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:47:25,727 INFO L87 Difference]: Start difference. First operand 317 states and 449 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:47:25,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:25,813 INFO L93 Difference]: Finished difference Result 708 states and 993 transitions. [2024-12-02 15:47:25,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:47:25,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2024-12-02 15:47:25,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:25,816 INFO L225 Difference]: With dead ends: 708 [2024-12-02 15:47:25,817 INFO L226 Difference]: Without dead ends: 394 [2024-12-02 15:47:25,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:47:25,818 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 67 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:25,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 873 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:25,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-12-02 15:47:25,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 297. [2024-12-02 15:47:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 274 states have (on average 1.3759124087591241) internal successors, (377), 275 states have internal predecessors, (377), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:47:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 417 transitions. [2024-12-02 15:47:25,838 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 417 transitions. Word has length 126 [2024-12-02 15:47:25,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:25,839 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 417 transitions. [2024-12-02 15:47:25,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:47:25,839 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 417 transitions. [2024-12-02 15:47:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 15:47:25,841 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:25,841 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:25,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:47:25,842 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:25,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:25,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1850217229, now seen corresponding path program 1 times [2024-12-02 15:47:25,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:25,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990716417] [2024-12-02 15:47:25,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:25,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:26,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:26,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990716417] [2024-12-02 15:47:26,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990716417] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:26,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:26,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:47:26,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018831273] [2024-12-02 15:47:26,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:26,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:47:26,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:26,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:47:26,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:47:26,006 INFO L87 Difference]: Start difference. First operand 297 states and 417 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:26,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:26,124 INFO L93 Difference]: Finished difference Result 595 states and 835 transitions. [2024-12-02 15:47:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:47:26,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 126 [2024-12-02 15:47:26,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:26,127 INFO L225 Difference]: With dead ends: 595 [2024-12-02 15:47:26,127 INFO L226 Difference]: Without dead ends: 300 [2024-12-02 15:47:26,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:47:26,128 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 64 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:26,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 890 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:26,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-12-02 15:47:26,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 297. [2024-12-02 15:47:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 274 states have (on average 1.364963503649635) internal successors, (374), 275 states have internal predecessors, (374), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 15:47:26,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 414 transitions. [2024-12-02 15:47:26,145 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 414 transitions. Word has length 126 [2024-12-02 15:47:26,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:26,145 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 414 transitions. [2024-12-02 15:47:26,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 414 transitions. [2024-12-02 15:47:26,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 15:47:26,148 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:26,148 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:26,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:47:26,148 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:26,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:26,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1978380996, now seen corresponding path program 1 times [2024-12-02 15:47:26,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:26,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435931016] [2024-12-02 15:47:26,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:26,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:26,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:26,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435931016] [2024-12-02 15:47:26,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435931016] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:26,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:26,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:47:26,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296994492] [2024-12-02 15:47:26,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:26,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:47:26,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:26,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:47:26,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:47:26,416 INFO L87 Difference]: Start difference. First operand 297 states and 414 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:26,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:26,749 INFO L93 Difference]: Finished difference Result 784 states and 1087 transitions. [2024-12-02 15:47:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:47:26,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 126 [2024-12-02 15:47:26,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:26,754 INFO L225 Difference]: With dead ends: 784 [2024-12-02 15:47:26,754 INFO L226 Difference]: Without dead ends: 490 [2024-12-02 15:47:26,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:47:26,755 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 190 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:26,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 641 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:47:26,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-12-02 15:47:26,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 452. [2024-12-02 15:47:26,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 407 states have (on average 1.3415233415233416) internal successors, (546), 409 states have internal predecessors, (546), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 15:47:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 626 transitions. [2024-12-02 15:47:26,785 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 626 transitions. Word has length 126 [2024-12-02 15:47:26,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:26,786 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 626 transitions. [2024-12-02 15:47:26,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:26,786 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 626 transitions. [2024-12-02 15:47:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 15:47:26,787 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:26,787 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:26,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:47:26,787 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:26,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:26,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1838398529, now seen corresponding path program 1 times [2024-12-02 15:47:26,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:26,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702352458] [2024-12-02 15:47:26,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:26,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:47:26,913 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:47:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:47:27,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:47:27,045 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:47:27,045 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:47:27,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:47:27,050 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:27,129 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:47:27,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:47:27 BoogieIcfgContainer [2024-12-02 15:47:27,132 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:47:27,132 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:47:27,132 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:47:27,133 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:47:27,133 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:16" (3/4) ... [2024-12-02 15:47:27,135 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:47:27,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:47:27,136 INFO L158 Benchmark]: Toolchain (without parser) took 12004.04ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 92.6MB in the beginning and 88.7MB in the end (delta: 3.9MB). Peak memory consumption was 139.4MB. Max. memory is 16.1GB. [2024-12-02 15:47:27,137 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:47:27,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.43ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 76.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:47:27,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.46ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 71.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:47:27,137 INFO L158 Benchmark]: Boogie Preprocessor took 83.93ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 66.0MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:47:27,138 INFO L158 Benchmark]: RCFGBuilder took 812.24ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 81.9MB in the end (delta: -15.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-12-02 15:47:27,138 INFO L158 Benchmark]: TraceAbstraction took 10667.33ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 81.3MB in the beginning and 91.6MB in the end (delta: -10.2MB). Peak memory consumption was 116.1MB. Max. memory is 16.1GB. [2024-12-02 15:47:27,138 INFO L158 Benchmark]: Witness Printer took 3.32ms. Allocated memory is still 251.7MB. Free memory was 91.6MB in the beginning and 88.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:47:27,140 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.43ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 76.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.46ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 71.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.93ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 66.0MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 812.24ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 81.9MB in the end (delta: -15.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * TraceAbstraction took 10667.33ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 81.3MB in the beginning and 91.6MB in the end (delta: -10.2MB). Peak memory consumption was 116.1MB. Max. memory is 16.1GB. * Witness Printer took 3.32ms. Allocated memory is still 251.7MB. Free memory was 91.6MB in the beginning and 88.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 97. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L25-L27] double double_Array_0[2] = { 3.75, 255.5 }; [L25-L27] double double_Array_0[2] = { 3.75, 255.5 }; [L25-L27] double double_Array_0[2] = { 3.75, 255.5 }; [L28-L30] float float_Array_0[3] = { 255.5, 63.5, 128.75 }; [L28-L30] float float_Array_0[3] = { 255.5, 63.5, 128.75 }; [L28-L30] float float_Array_0[3] = { 255.5, 63.5, 128.75 }; [L28-L30] float float_Array_0[3] = { 255.5, 63.5, 128.75 }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L31-L33] unsigned char unsigned_char_Array_0[2][2][2] = { {{2, 0}, {128, 10}}, {{25, 5}, {16, 32}} }; [L34] unsigned char last_1_unsigned_char_Array_0_0__0__0_ = 2; [L35] unsigned char last_1_unsigned_char_Array_0_0__0__1_ = 0; [L36] unsigned char last_1_unsigned_char_Array_0_1__1__1_ = 32; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L101] isInitial = 1 [L102] FCALL initially() [L104] CALL updateLastVariables() [L92] EXPR unsigned_char_Array_0[0][0][0] [L92] last_1_unsigned_char_Array_0_0__0__0_ = unsigned_char_Array_0[0][0][0] [L93] EXPR unsigned_char_Array_0[0][0][1] [L93] last_1_unsigned_char_Array_0_0__0__1_ = unsigned_char_Array_0[0][0][1] [L94] EXPR unsigned_char_Array_0[1][1][1] [L94] last_1_unsigned_char_Array_0_1__1__1_ = unsigned_char_Array_0[1][1][1] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L71] float_Array_0[0] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L72] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L72] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L72] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L72] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L73] float_Array_0[1] = __VERIFIER_nondet_float() [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L74] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L74] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L74] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L74] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L74] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L75] unsigned_char_Array_0[1][0][0] = __VERIFIER_nondet_uchar() [L76] EXPR unsigned_char_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L76] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L76] RET assume_abort_if_not(unsigned_char_Array_0[1][0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L77] EXPR unsigned_char_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L77] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L77] RET assume_abort_if_not(unsigned_char_Array_0[1][0][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L78] unsigned_char_Array_0[0][1][0] = __VERIFIER_nondet_uchar() [L79] EXPR unsigned_char_Array_0[0][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L79] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][0] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L79] RET assume_abort_if_not(unsigned_char_Array_0[0][1][0] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L80] EXPR unsigned_char_Array_0[0][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L80] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L80] RET assume_abort_if_not(unsigned_char_Array_0[0][1][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L81] unsigned_char_Array_0[1][1][0] = __VERIFIER_nondet_uchar() [L82] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L82] CALL assume_abort_if_not(unsigned_char_Array_0[1][1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L82] RET assume_abort_if_not(unsigned_char_Array_0[1][1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L83] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L83] CALL assume_abort_if_not(unsigned_char_Array_0[1][1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L83] RET assume_abort_if_not(unsigned_char_Array_0[1][1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L84] unsigned_char_Array_0[1][0][1] = __VERIFIER_nondet_uchar() [L85] EXPR unsigned_char_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L85] RET assume_abort_if_not(unsigned_char_Array_0[1][0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L86] EXPR unsigned_char_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L86] CALL assume_abort_if_not(unsigned_char_Array_0[1][0][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L86] RET assume_abort_if_not(unsigned_char_Array_0[1][0][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L87] unsigned_char_Array_0[0][1][1] = __VERIFIER_nondet_uchar() [L88] EXPR unsigned_char_Array_0[0][1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L88] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L88] RET assume_abort_if_not(unsigned_char_Array_0[0][1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L89] EXPR unsigned_char_Array_0[0][1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L89] CALL assume_abort_if_not(unsigned_char_Array_0[0][1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L89] RET assume_abort_if_not(unsigned_char_Array_0[0][1][1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L105] RET updateVariables() [L106] CALL step() [L40] EXPR last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_ VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L40] signed long int stepLocal_0 = last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_; [L41] COND FALSE !((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= stepLocal_0) [L44] EXPR unsigned_char_Array_0[0][1][0] [L44] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L44] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) [L44] EXPR unsigned_char_Array_0[1][1][0] [L44] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L44] unsigned_char_Array_0[1][1][1] = (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))) [L46] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L46] COND FALSE !(! BOOL_unsigned_char_Array_0[0]) [L51] EXPR float_Array_0[0] [L51] double_Array_0[0] = float_Array_0[0] [L52] EXPR unsigned_char_Array_0[1][0][0] [L52] unsigned_char_Array_0[0][0][1] = unsigned_char_Array_0[1][0][0] [L53] EXPR float_Array_0[1] [L53] double_Array_0[1] = float_Array_0[1] [L54] EXPR unsigned_char_Array_0[1][0][0] [L54] unsigned char stepLocal_1 = unsigned_char_Array_0[1][0][0]; [L55] EXPR unsigned_char_Array_0[1][1][1] [L55] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L55] COND FALSE !((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= stepLocal_1) [L64] EXPR unsigned_char_Array_0[1][0][0] [L64] unsigned_char_Array_0[0][0][0] = unsigned_char_Array_0[1][0][0] [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR (! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1 [L97] EXPR (! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_ VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))) [L97] EXPR unsigned_char_Array_0[1][1][1] [L97] EXPR unsigned_char_Array_0[0][1][0] [L97] EXPR unsigned_char_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) [L97] EXPR unsigned_char_Array_0[1][1][0] [L97] EXPR ((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0]))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR (((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR (((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) [L97] EXPR unsigned_char_Array_0[1][1][1] [L97] EXPR unsigned_char_Array_0[1][1][0] [L97] EXPR unsigned_char_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])) [L97] EXPR unsigned_char_Array_0[0][0][0] [L97] EXPR unsigned_char_Array_0[1][0][0] [L97] EXPR ((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR (((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0])) [L97] EXPR double_Array_0[0] [L97] EXPR float_Array_0[0] [L97] EXPR ((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR (((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR (((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0])) [L97] EXPR unsigned_char_Array_0[0][0][1] [L97] EXPR unsigned_char_Array_0[1][0][0] [L97] EXPR (((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) && (double_Array_0[1] == ((double) float_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97] EXPR ((((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) && (double_Array_0[1] == ((double) float_Array_0[1])) [L97] EXPR double_Array_0[1] [L97] EXPR float_Array_0[1] [L97] EXPR ((((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) && (double_Array_0[1] == ((double) float_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L97-L98] return ((((((! BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[2] == ((float) ((((float_Array_0[1]) > (float_Array_0[0])) ? (float_Array_0[1]) : (float_Array_0[0]))))) : 1) : 1) && (((last_1_unsigned_char_Array_0_1__1__1_ / -2) >= (last_1_unsigned_char_Array_0_0__0__1_ | last_1_unsigned_char_Array_0_0__0__0_)) ? (unsigned_char_Array_0[1][1][1] == ((unsigned char) ((((unsigned_char_Array_0[1][0][0]) < 0 ) ? -(unsigned_char_Array_0[1][0][0]) : (unsigned_char_Array_0[1][0][0]))))) : (unsigned_char_Array_0[1][1][1] == ((unsigned char) (unsigned_char_Array_0[0][1][0] - ((((unsigned_char_Array_0[1][1][0]) < 0 ) ? -(unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][1][0])))))))) && (((unsigned_char_Array_0[1][1][1] + unsigned_char_Array_0[1][1][0]) >= unsigned_char_Array_0[1][0][0]) ? ((((((float_Array_0[0]) > ((float_Array_0[2] * float_Array_0[1]))) ? (float_Array_0[0]) : ((float_Array_0[2] * float_Array_0[1])))) <= float_Array_0[2]) ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) ((((unsigned_char_Array_0[1][1][0]) > (unsigned_char_Array_0[1][0][1])) ? (unsigned_char_Array_0[1][1][0]) : (unsigned_char_Array_0[1][0][1]))))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0][0][0] == ((unsigned char) (unsigned_char_Array_0[1][1][0] + unsigned_char_Array_0[0][1][1]))) : 1)) : (unsigned_char_Array_0[0][0][0] == ((unsigned char) unsigned_char_Array_0[1][0][0])))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_char_Array_0[0][0][1] == ((unsigned char) unsigned_char_Array_0[1][0][0]))) && (double_Array_0[1] == ((double) float_Array_0[1])) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_0__0__0_=2, last_1_unsigned_char_Array_0_0__0__1_=0, last_1_unsigned_char_Array_0_1__1__1_=32, unsigned_char_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 14, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 575 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 571 mSDsluCounter, 8471 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6357 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1136 IncrementalHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 2114 mSDtfsCounter, 1136 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 831 GetRequests, 756 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=452occurred in iteration=13, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 257 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 2460 NumberOfCodeBlocks, 2460 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2313 ConstructedInterpolants, 0 QuantifiedInterpolants, 3275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2549 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 6695/6916 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 [2024-12-02 15:47:27,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1 --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 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:47:29,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:47:29,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:47:29,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:47:29,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:47:29,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:47:29,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:47:29,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:47:29,453 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:47:29,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:47:29,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:47:29,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:47:29,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:47:29,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:47:29,454 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:47:29,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:47:29,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:47:29,455 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:47:29,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:47:29,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:47:29,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:47:29,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:47:29,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:47:29,456 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:47:29,456 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:47:29,456 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:47:29,456 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:47:29,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:47:29,456 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:47:29,456 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:47:29,456 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:47:29,456 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:47:29,456 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:47:29,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:47:29,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:29,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:47:29,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:47:29,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:47:29,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:47:29,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:29,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:47:29,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:47:29,457 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:47:29,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:47:29,458 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:47:29,458 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:47:29,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:47:29,458 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:47:29,458 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:47:29,458 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:47:29,459 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_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1 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 -> 67160a6df79d1049c73d7b3dbc4aa323b185d65b8c91424febe1ccb6e4daf12a [2024-12-02 15:47:29,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:47:29,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:47:29,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:47:29,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:47:29,761 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:47:29,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2024-12-02 15:47:32,932 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/data/418ea46af/3106368f1ba14132a2c8b37f0e1ddfe9/FLAGf0ecab274 [2024-12-02 15:47:33,141 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:47:33,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i [2024-12-02 15:47:33,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/data/418ea46af/3106368f1ba14132a2c8b37f0e1ddfe9/FLAGf0ecab274 [2024-12-02 15:47:33,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/data/418ea46af/3106368f1ba14132a2c8b37f0e1ddfe9 [2024-12-02 15:47:33,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:47:33,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:47:33,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:47:33,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:47:33,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:47:33,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a4c6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33, skipping insertion in model container [2024-12-02 15:47:33,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:47:33,630 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_03444082-b440-4e48-bcd5-45db1983a750/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2024-12-02 15:47:33,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:47:33,715 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:47:33,724 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_03444082-b440-4e48-bcd5-45db1983a750/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-82.i[916,929] [2024-12-02 15:47:33,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:47:33,806 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:47:33,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33 WrapperNode [2024-12-02 15:47:33,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:47:33,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:47:33,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:47:33,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:47:33,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,864 INFO L138 Inliner]: procedures = 33, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 496 [2024-12-02 15:47:33,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:47:33,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:47:33,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:47:33,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:47:33,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,894 INFO L175 MemorySlicer]: Split 133 memory accesses to 5 slices as follows [2, 10, 6, 41, 74]. 56 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 2, 3, 8]. The 17 writes are split as follows [0, 1, 2, 3, 11]. [2024-12-02 15:47:33,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,919 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:47:33,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:47:33,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:47:33,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:47:33,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (1/1) ... [2024-12-02 15:47:33,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:47:33,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:47:33,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:47:33,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:47:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:47:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 15:47:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 15:47:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 15:47:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 15:47:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 15:47:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 15:47:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 15:47:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 15:47:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 15:47:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 15:47:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 15:47:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 15:47:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 15:47:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 15:47:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 15:47:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:47:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 15:47:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 15:47:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 15:47:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 15:47:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 15:47:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 15:47:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 15:47:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 15:47:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 15:47:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 15:47:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 15:47:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 15:47:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 15:47:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 15:47:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 15:47:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 15:47:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 15:47:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 15:47:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 15:47:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 15:47:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 15:47:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 15:47:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 15:47:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 15:47:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:47:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:47:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:47:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:47:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 15:47:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 15:47:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 15:47:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 15:47:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 15:47:34,149 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:47:34,151 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:47:36,553 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-12-02 15:47:36,553 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:47:36,564 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:47:36,564 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:47:36,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:36 BoogieIcfgContainer [2024-12-02 15:47:36,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:47:36,567 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:47:36,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:47:36,581 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:47:36,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:47:33" (1/3) ... [2024-12-02 15:47:36,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d27e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:36, skipping insertion in model container [2024-12-02 15:47:36,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:33" (2/3) ... [2024-12-02 15:47:36,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d27e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:36, skipping insertion in model container [2024-12-02 15:47:36,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:36" (3/3) ... [2024-12-02 15:47:36,583 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-82.i [2024-12-02 15:47:36,598 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:47:36,600 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-82.i that has 2 procedures, 108 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:47:36,644 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:47:36,653 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;@72a569e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:47:36,653 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:47:36,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:36,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 15:47:36,668 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:36,668 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:36,669 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:36,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:36,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1212278794, now seen corresponding path program 1 times [2024-12-02 15:47:36,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:36,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841465535] [2024-12-02 15:47:36,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:36,684 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 [2024-12-02 15:47:36,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:36,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:47:36,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:36,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:47:36,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-12-02 15:47:37,013 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:37,014 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:37,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841465535] [2024-12-02 15:47:37,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [841465535] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:37,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:37,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:47:37,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707539467] [2024-12-02 15:47:37,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:37,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:47:37,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:37,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:47:37,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:47:37,036 INFO L87 Difference]: Start difference. First operand has 108 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:47:37,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:37,058 INFO L93 Difference]: Finished difference Result 209 states and 322 transitions. [2024-12-02 15:47:37,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:47:37,060 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2024-12-02 15:47:37,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:37,065 INFO L225 Difference]: With dead ends: 209 [2024-12-02 15:47:37,065 INFO L226 Difference]: Without dead ends: 104 [2024-12-02 15:47:37,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:47:37,070 INFO L435 NwaCegarLoop]: 146 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, 146 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 [2024-12-02 15:47:37,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:37,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-12-02 15:47:37,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-12-02 15:47:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:37,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 146 transitions. [2024-12-02 15:47:37,104 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 146 transitions. Word has length 119 [2024-12-02 15:47:37,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:37,104 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 146 transitions. [2024-12-02 15:47:37,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:47:37,104 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2024-12-02 15:47:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 15:47:37,106 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:37,107 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:37,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:37,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:37,308 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:37,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:37,308 INFO L85 PathProgramCache]: Analyzing trace with hash 579592156, now seen corresponding path program 1 times [2024-12-02 15:47:37,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:37,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073878446] [2024-12-02 15:47:37,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:37,309 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 [2024-12-02 15:47:37,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:37,311 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:47:37,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:37,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:47:37,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 15:47:37,695 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:37,695 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:37,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073878446] [2024-12-02 15:47:37,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073878446] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:37,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:37,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:47:37,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116015980] [2024-12-02 15:47:37,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:37,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:47:37,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:37,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:47:37,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:37,699 INFO L87 Difference]: Start difference. First operand 104 states and 146 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:47:37,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:37,770 INFO L93 Difference]: Finished difference Result 207 states and 292 transitions. [2024-12-02 15:47:37,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:47:37,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2024-12-02 15:47:37,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:37,772 INFO L225 Difference]: With dead ends: 207 [2024-12-02 15:47:37,772 INFO L226 Difference]: Without dead ends: 106 [2024-12-02 15:47:37,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:37,773 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:37,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 421 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:37,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-12-02 15:47:37,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-12-02 15:47:37,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 15:47:37,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 148 transitions. [2024-12-02 15:47:37,785 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 148 transitions. Word has length 119 [2024-12-02 15:47:37,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:37,787 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 148 transitions. [2024-12-02 15:47:37,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:47:37,787 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2024-12-02 15:47:37,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 15:47:37,788 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:37,788 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:37,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:37,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:37,989 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:37,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:37,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1848666466, now seen corresponding path program 1 times [2024-12-02 15:47:37,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:37,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168398703] [2024-12-02 15:47:37,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:37,990 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 [2024-12-02 15:47:37,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:37,992 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:47:37,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:38,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:47:38,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:38,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 15:47:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:38,674 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:38,674 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:38,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168398703] [2024-12-02 15:47:38,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168398703] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:38,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:38,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:47:38,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399527100] [2024-12-02 15:47:38,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:38,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:47:38,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:38,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:47:38,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:47:38,677 INFO L87 Difference]: Start difference. First operand 106 states and 148 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:39,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:39,328 INFO L93 Difference]: Finished difference Result 309 states and 435 transitions. [2024-12-02 15:47:39,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:47:39,328 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-12-02 15:47:39,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:39,330 INFO L225 Difference]: With dead ends: 309 [2024-12-02 15:47:39,330 INFO L226 Difference]: Without dead ends: 206 [2024-12-02 15:47:39,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:47:39,332 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 118 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:39,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 471 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:47:39,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-12-02 15:47:39,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 178. [2024-12-02 15:47:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 147 states have (on average 1.3265306122448979) internal successors, (195), 147 states have internal predecessors, (195), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 15:47:39,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 251 transitions. [2024-12-02 15:47:39,352 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 251 transitions. Word has length 119 [2024-12-02 15:47:39,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:39,353 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 251 transitions. [2024-12-02 15:47:39,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 251 transitions. [2024-12-02 15:47:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 15:47:39,355 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:39,355 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:39,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:39,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:39,556 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:39,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:39,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1503800071, now seen corresponding path program 1 times [2024-12-02 15:47:39,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:39,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [666941690] [2024-12-02 15:47:39,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:39,557 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 [2024-12-02 15:47:39,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:39,559 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:47:39,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:39,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:47:39,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:39,825 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:39,825 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:39,825 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:39,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [666941690] [2024-12-02 15:47:39,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [666941690] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:39,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:39,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:47:39,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350141182] [2024-12-02 15:47:39,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:39,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:47:39,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:39,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:47:39,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:39,827 INFO L87 Difference]: Start difference. First operand 178 states and 251 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:39,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:39,874 INFO L93 Difference]: Finished difference Result 285 states and 402 transitions. [2024-12-02 15:47:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:47:39,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-12-02 15:47:39,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:39,876 INFO L225 Difference]: With dead ends: 285 [2024-12-02 15:47:39,876 INFO L226 Difference]: Without dead ends: 182 [2024-12-02 15:47:39,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:39,878 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:39,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 421 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:39,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-12-02 15:47:39,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-12-02 15:47:39,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 151 states have internal predecessors, (199), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 15:47:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 255 transitions. [2024-12-02 15:47:39,895 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 255 transitions. Word has length 119 [2024-12-02 15:47:39,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:39,896 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 255 transitions. [2024-12-02 15:47:39,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:39,896 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 255 transitions. [2024-12-02 15:47:39,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 15:47:39,898 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:39,898 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:39,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 15:47:40,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:40,099 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:40,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:40,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1962371047, now seen corresponding path program 1 times [2024-12-02 15:47:40,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:40,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780284335] [2024-12-02 15:47:40,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:40,100 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 [2024-12-02 15:47:40,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:40,102 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:47:40,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:40,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:47:40,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:40,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 15:47:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-12-02 15:47:40,932 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:47:41,188 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:41,188 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:41,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780284335] [2024-12-02 15:47:41,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780284335] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:47:41,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:47:41,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-12-02 15:47:41,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848560671] [2024-12-02 15:47:41,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:41,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:47:41,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:41,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:47:41,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:47:41,191 INFO L87 Difference]: Start difference. First operand 182 states and 255 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:41,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:41,328 INFO L93 Difference]: Finished difference Result 351 states and 491 transitions. [2024-12-02 15:47:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:47:41,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-12-02 15:47:41,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:41,331 INFO L225 Difference]: With dead ends: 351 [2024-12-02 15:47:41,331 INFO L226 Difference]: Without dead ends: 239 [2024-12-02 15:47:41,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:47:41,333 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 116 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:41,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 472 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:41,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-12-02 15:47:41,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 202. [2024-12-02 15:47:41,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 171 states have (on average 1.3391812865497077) internal successors, (229), 171 states have internal predecessors, (229), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 15:47:41,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 285 transitions. [2024-12-02 15:47:41,351 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 285 transitions. Word has length 121 [2024-12-02 15:47:41,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:41,351 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 285 transitions. [2024-12-02 15:47:41,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:41,352 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 285 transitions. [2024-12-02 15:47:41,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 15:47:41,353 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:41,353 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:41,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 15:47:41,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:41,554 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:41,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:41,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1259616475, now seen corresponding path program 1 times [2024-12-02 15:47:41,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:41,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581890234] [2024-12-02 15:47:41,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:41,555 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 [2024-12-02 15:47:41,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:41,557 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:47:41,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 15:47:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:41,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:47:41,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:41,815 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:41,815 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:41,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581890234] [2024-12-02 15:47:41,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1581890234] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:41,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:41,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:47:41,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606266395] [2024-12-02 15:47:41,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:41,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:47:41,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:41,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:47:41,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:47:41,817 INFO L87 Difference]: Start difference. First operand 202 states and 285 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:41,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:41,873 INFO L93 Difference]: Finished difference Result 323 states and 455 transitions. [2024-12-02 15:47:41,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:47:41,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 122 [2024-12-02 15:47:41,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:41,875 INFO L225 Difference]: With dead ends: 323 [2024-12-02 15:47:41,875 INFO L226 Difference]: Without dead ends: 208 [2024-12-02 15:47:41,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:47:41,876 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:41,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 557 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:47:41,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-12-02 15:47:41,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 204. [2024-12-02 15:47:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 173 states have (on average 1.3352601156069364) internal successors, (231), 173 states have internal predecessors, (231), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 15:47:41,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 287 transitions. [2024-12-02 15:47:41,889 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 287 transitions. Word has length 122 [2024-12-02 15:47:41,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:41,890 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 287 transitions. [2024-12-02 15:47:41,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:41,890 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 287 transitions. [2024-12-02 15:47:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 15:47:41,891 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:41,891 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:41,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 15:47:42,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:42,092 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:42,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:42,093 INFO L85 PathProgramCache]: Analyzing trace with hash 728683415, now seen corresponding path program 1 times [2024-12-02 15:47:42,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:42,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791183336] [2024-12-02 15:47:42,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:42,093 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 [2024-12-02 15:47:42,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:42,095 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:47:42,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:42,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:47:42,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:42,350 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:42,350 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:42,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791183336] [2024-12-02 15:47:42,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791183336] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:42,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:42,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:47:42,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950741541] [2024-12-02 15:47:42,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:42,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:47:42,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:42,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:47:42,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:42,352 INFO L87 Difference]: Start difference. First operand 204 states and 287 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:42,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:42,488 INFO L93 Difference]: Finished difference Result 323 states and 454 transitions. [2024-12-02 15:47:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:47:42,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-12-02 15:47:42,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:42,491 INFO L225 Difference]: With dead ends: 323 [2024-12-02 15:47:42,491 INFO L226 Difference]: Without dead ends: 207 [2024-12-02 15:47:42,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:47:42,492 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 1 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:42,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 418 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:42,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-12-02 15:47:42,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 206. [2024-12-02 15:47:42,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 175 states have (on average 1.3314285714285714) internal successors, (233), 175 states have internal predecessors, (233), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 15:47:42,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 289 transitions. [2024-12-02 15:47:42,508 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 289 transitions. Word has length 123 [2024-12-02 15:47:42,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:42,508 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 289 transitions. [2024-12-02 15:47:42,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:42,508 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 289 transitions. [2024-12-02 15:47:42,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 15:47:42,509 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:42,510 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:42,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:42,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:42,710 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:42,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:42,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1408741785, now seen corresponding path program 1 times [2024-12-02 15:47:42,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:42,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801198523] [2024-12-02 15:47:42,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:42,711 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 [2024-12-02 15:47:42,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:42,713 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:47:42,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:42,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:47:42,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:42,950 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:42,950 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:42,950 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:42,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801198523] [2024-12-02 15:47:42,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1801198523] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:42,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:42,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:47:42,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595567514] [2024-12-02 15:47:42,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:42,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:47:42,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:42,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:47:42,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:47:42,952 INFO L87 Difference]: Start difference. First operand 206 states and 289 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:43,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:43,057 INFO L93 Difference]: Finished difference Result 327 states and 458 transitions. [2024-12-02 15:47:43,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:47:43,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-12-02 15:47:43,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:43,059 INFO L225 Difference]: With dead ends: 327 [2024-12-02 15:47:43,059 INFO L226 Difference]: Without dead ends: 209 [2024-12-02 15:47:43,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:47:43,060 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:43,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 549 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:43,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-12-02 15:47:43,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 208. [2024-12-02 15:47:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 177 states have (on average 1.3276836158192091) internal successors, (235), 177 states have internal predecessors, (235), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 15:47:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 291 transitions. [2024-12-02 15:47:43,072 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 291 transitions. Word has length 123 [2024-12-02 15:47:43,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:43,072 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 291 transitions. [2024-12-02 15:47:43,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 291 transitions. [2024-12-02 15:47:43,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 15:47:43,073 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:43,073 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:43,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:43,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:43,274 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:43,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:43,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1111218149, now seen corresponding path program 1 times [2024-12-02 15:47:43,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:43,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193033800] [2024-12-02 15:47:43,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:43,275 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 [2024-12-02 15:47:43,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:43,277 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:47:43,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:43,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:47:43,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:43,496 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:43,496 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:43,496 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:43,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [193033800] [2024-12-02 15:47:43,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [193033800] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:43,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:43,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:47:43,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675828237] [2024-12-02 15:47:43,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:43,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:47:43,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:43,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:47:43,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:47:43,498 INFO L87 Difference]: Start difference. First operand 208 states and 291 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:43,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:43,617 INFO L93 Difference]: Finished difference Result 331 states and 462 transitions. [2024-12-02 15:47:43,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:47:43,618 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-12-02 15:47:43,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:43,619 INFO L225 Difference]: With dead ends: 331 [2024-12-02 15:47:43,620 INFO L226 Difference]: Without dead ends: 211 [2024-12-02 15:47:43,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:47:43,621 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 1 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:43,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 680 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:43,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-12-02 15:47:43,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 210. [2024-12-02 15:47:43,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 179 states have (on average 1.324022346368715) internal successors, (237), 179 states have internal predecessors, (237), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 15:47:43,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 293 transitions. [2024-12-02 15:47:43,635 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 293 transitions. Word has length 123 [2024-12-02 15:47:43,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:43,636 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 293 transitions. [2024-12-02 15:47:43,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:43,636 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 293 transitions. [2024-12-02 15:47:43,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 15:47:43,637 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:43,637 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:43,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 15:47:43,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:43,837 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:43,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:43,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1109371107, now seen corresponding path program 1 times [2024-12-02 15:47:43,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:43,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033365824] [2024-12-02 15:47:43,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:43,838 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 [2024-12-02 15:47:43,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:43,840 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:47:43,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 15:47:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:44,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 15:47:44,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:44,244 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 [2024-12-02 15:47:44,252 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 19 treesize of output 1 [2024-12-02 15:47:44,261 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 14 treesize of output 10 [2024-12-02 15:47:44,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-12-02 15:47:44,784 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:47:44,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2024-12-02 15:47:44,943 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:47:44,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 66 [2024-12-02 15:47:44,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:47:44,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 66 [2024-12-02 15:47:45,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:47:45,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 34 [2024-12-02 15:47:45,537 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-02 15:47:45,538 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:45,538 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:45,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2033365824] [2024-12-02 15:47:45,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2033365824] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:45,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:45,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:47:45,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289045249] [2024-12-02 15:47:45,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:45,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:47:45,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:45,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:47:45,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:47:45,539 INFO L87 Difference]: Start difference. First operand 210 states and 293 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 15:47:48,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:48,104 INFO L93 Difference]: Finished difference Result 435 states and 604 transitions. [2024-12-02 15:47:48,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:47:48,105 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2024-12-02 15:47:48,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:48,107 INFO L225 Difference]: With dead ends: 435 [2024-12-02 15:47:48,107 INFO L226 Difference]: Without dead ends: 313 [2024-12-02 15:47:48,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:47:48,108 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 322 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:48,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 955 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 15:47:48,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-12-02 15:47:48,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 310. [2024-12-02 15:47:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 272 states have (on average 1.338235294117647) internal successors, (364), 273 states have internal predecessors, (364), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 15:47:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 432 transitions. [2024-12-02 15:47:48,134 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 432 transitions. Word has length 123 [2024-12-02 15:47:48,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:48,135 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 432 transitions. [2024-12-02 15:47:48,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 15:47:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 432 transitions. [2024-12-02 15:47:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 15:47:48,136 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:48,136 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:48,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-12-02 15:47:48,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:48,337 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:48,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:48,338 INFO L85 PathProgramCache]: Analyzing trace with hash -184680024, now seen corresponding path program 1 times [2024-12-02 15:47:48,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:48,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379332094] [2024-12-02 15:47:48,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:48,339 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 [2024-12-02 15:47:48,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:48,341 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:47:48,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:48,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:47:48,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:49,116 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-12-02 15:47:49,116 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:47:49,288 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:47:49,289 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:49,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379332094] [2024-12-02 15:47:49,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1379332094] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:47:49,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:47:49,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-12-02 15:47:49,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323643592] [2024-12-02 15:47:49,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:49,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:47:49,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:49,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:47:49,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:47:49,290 INFO L87 Difference]: Start difference. First operand 310 states and 432 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:49,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:49,416 INFO L93 Difference]: Finished difference Result 607 states and 832 transitions. [2024-12-02 15:47:49,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:47:49,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 124 [2024-12-02 15:47:49,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:49,421 INFO L225 Difference]: With dead ends: 607 [2024-12-02 15:47:49,421 INFO L226 Difference]: Without dead ends: 379 [2024-12-02 15:47:49,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:47:49,423 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 124 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:49,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 502 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:47:49,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-12-02 15:47:49,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2024-12-02 15:47:49,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 257 states have (on average 1.3229571984435797) internal successors, (340), 258 states have internal predecessors, (340), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 15:47:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 408 transitions. [2024-12-02 15:47:49,450 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 408 transitions. Word has length 124 [2024-12-02 15:47:49,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:49,450 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 408 transitions. [2024-12-02 15:47:49,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:47:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 408 transitions. [2024-12-02 15:47:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 15:47:49,451 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:49,451 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:49,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:49,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:49,652 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:47:49,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:49,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1074785620, now seen corresponding path program 1 times [2024-12-02 15:47:49,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:47:49,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481741014] [2024-12-02 15:47:49,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:49,653 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 [2024-12-02 15:47:49,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:47:49,655 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:47:49,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:47:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:50,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 15:47:50,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:52,005 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 20 treesize of output 21 [2024-12-02 15:47:57,311 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:47:57,312 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 182 treesize of output 98 [2024-12-02 15:47:57,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 107 [2024-12-02 15:47:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-12-02 15:47:57,826 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:47:57,826 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:47:57,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481741014] [2024-12-02 15:47:57,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481741014] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:57,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:57,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:47:57,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781232966] [2024-12-02 15:47:57,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:57,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:47:57,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:47:57,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:47:57,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:47:57,828 INFO L87 Difference]: Start difference. First operand 295 states and 408 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:48:01,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:48:03,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:48:09,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:48:11,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:48:13,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:48:17,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:48:18,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:18,629 INFO L93 Difference]: Finished difference Result 579 states and 792 transitions. [2024-12-02 15:48:18,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:48:18,633 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2024-12-02 15:48:18,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:18,636 INFO L225 Difference]: With dead ends: 579 [2024-12-02 15:48:18,636 INFO L226 Difference]: Without dead ends: 577 [2024-12-02 15:48:18,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:48:18,637 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 194 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:18,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 972 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 18.3s Time] [2024-12-02 15:48:18,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-12-02 15:48:18,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 573. [2024-12-02 15:48:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 499 states have (on average 1.314629258517034) internal successors, (656), 503 states have internal predecessors, (656), 65 states have call successors, (65), 8 states have call predecessors, (65), 8 states have return successors, (65), 61 states have call predecessors, (65), 65 states have call successors, (65) [2024-12-02 15:48:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 786 transitions. [2024-12-02 15:48:18,676 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 786 transitions. Word has length 125 [2024-12-02 15:48:18,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:18,677 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 786 transitions. [2024-12-02 15:48:18,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:48:18,677 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 786 transitions. [2024-12-02 15:48:18,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 15:48:18,678 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:18,678 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:18,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:48:18,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:48:18,879 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:18,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:18,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1076632662, now seen corresponding path program 1 times [2024-12-02 15:48:18,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:18,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655036504] [2024-12-02 15:48:18,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:18,880 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 [2024-12-02 15:48:18,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:18,883 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:48:18,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 15:48:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:19,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 15:48:19,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:19,226 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 14 treesize of output 10 [2024-12-02 15:48:19,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 15:48:19,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-12-02 15:48:19,566 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:19,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2024-12-02 15:48:19,720 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:19,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2024-12-02 15:48:20,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:20,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-12-02 15:48:20,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:20,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 51 [2024-12-02 15:48:20,216 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:20,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 63 [2024-12-02 15:48:21,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:21,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 108 treesize of output 44 [2024-12-02 15:48:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-02 15:48:21,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:48:21,248 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:21,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655036504] [2024-12-02 15:48:21,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655036504] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:21,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:21,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:48:21,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857810798] [2024-12-02 15:48:21,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:21,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:48:21,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:21,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:48:21,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:48:21,250 INFO L87 Difference]: Start difference. First operand 573 states and 786 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 15:48:23,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:23,568 INFO L93 Difference]: Finished difference Result 1333 states and 1780 transitions. [2024-12-02 15:48:23,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:48:23,569 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 125 [2024-12-02 15:48:23,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:23,573 INFO L225 Difference]: With dead ends: 1333 [2024-12-02 15:48:23,573 INFO L226 Difference]: Without dead ends: 905 [2024-12-02 15:48:23,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:48:23,575 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 272 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:23,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 636 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 15:48:23,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-12-02 15:48:23,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 693. [2024-12-02 15:48:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 615 states have (on average 1.278048780487805) internal successors, (786), 619 states have internal predecessors, (786), 65 states have call successors, (65), 12 states have call predecessors, (65), 12 states have return successors, (65), 61 states have call predecessors, (65), 65 states have call successors, (65) [2024-12-02 15:48:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 916 transitions. [2024-12-02 15:48:23,668 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 916 transitions. Word has length 125 [2024-12-02 15:48:23,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:23,668 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 916 transitions. [2024-12-02 15:48:23,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-12-02 15:48:23,669 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 916 transitions. [2024-12-02 15:48:23,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 15:48:23,670 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:23,671 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:23,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 15:48:23,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:48:23,871 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:23,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:23,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1443327272, now seen corresponding path program 1 times [2024-12-02 15:48:23,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:23,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69560308] [2024-12-02 15:48:23,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:23,873 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 [2024-12-02 15:48:23,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:23,875 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:48:23,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:48:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:24,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 15:48:24,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:24,380 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 [2024-12-02 15:48:24,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-12-02 15:48:26,598 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 35 treesize of output 29 [2024-12-02 15:48:31,070 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:31,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 166 treesize of output 90 [2024-12-02 15:48:31,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 107 [2024-12-02 15:48:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 15:48:31,365 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:48:31,365 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:31,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69560308] [2024-12-02 15:48:31,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69560308] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:31,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:31,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:48:31,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875409657] [2024-12-02 15:48:31,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:31,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:48:31,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:31,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:48:31,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:48:31,367 INFO L87 Difference]: Start difference. First operand 693 states and 916 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:48:39,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:48:41,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:48:41,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:41,437 INFO L93 Difference]: Finished difference Result 1888 states and 2476 transitions. [2024-12-02 15:48:41,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:48:41,441 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2024-12-02 15:48:41,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:41,446 INFO L225 Difference]: With dead ends: 1888 [2024-12-02 15:48:41,446 INFO L226 Difference]: Without dead ends: 1358 [2024-12-02 15:48:41,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:48:41,448 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 244 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:41,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 750 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2024-12-02 15:48:41,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2024-12-02 15:48:41,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1352. [2024-12-02 15:48:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 1195 states have (on average 1.2702928870292887) internal successors, (1518), 1207 states have internal predecessors, (1518), 128 states have call successors, (128), 28 states have call predecessors, (128), 28 states have return successors, (128), 116 states have call predecessors, (128), 128 states have call successors, (128) [2024-12-02 15:48:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1774 transitions. [2024-12-02 15:48:41,570 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1774 transitions. Word has length 125 [2024-12-02 15:48:41,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:41,570 INFO L471 AbstractCegarLoop]: Abstraction has 1352 states and 1774 transitions. [2024-12-02 15:48:41,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:48:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1774 transitions. [2024-12-02 15:48:41,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 15:48:41,572 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:41,572 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:41,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:48:41,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:48:41,773 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:41,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:41,773 INFO L85 PathProgramCache]: Analyzing trace with hash 2105826518, now seen corresponding path program 1 times [2024-12-02 15:48:41,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:41,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350312299] [2024-12-02 15:48:41,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:41,774 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 [2024-12-02 15:48:41,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:41,775 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:48:41,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:48:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:41,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:48:41,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:42,008 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-12-02 15:48:42,008 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:48:42,008 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:42,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350312299] [2024-12-02 15:48:42,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350312299] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:42,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:42,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:48:42,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266706270] [2024-12-02 15:48:42,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:42,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:48:42,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:42,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:48:42,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:48:42,009 INFO L87 Difference]: Start difference. First operand 1352 states and 1774 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:48:42,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:42,114 INFO L93 Difference]: Finished difference Result 2532 states and 3311 transitions. [2024-12-02 15:48:42,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:48:42,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2024-12-02 15:48:42,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:42,119 INFO L225 Difference]: With dead ends: 2532 [2024-12-02 15:48:42,119 INFO L226 Difference]: Without dead ends: 1352 [2024-12-02 15:48:42,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:48:42,122 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:42,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 409 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:48:42,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-12-02 15:48:42,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1352. [2024-12-02 15:48:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 1195 states have (on average 1.2652719665271968) internal successors, (1512), 1207 states have internal predecessors, (1512), 128 states have call successors, (128), 28 states have call predecessors, (128), 28 states have return successors, (128), 116 states have call predecessors, (128), 128 states have call successors, (128) [2024-12-02 15:48:42,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1768 transitions. [2024-12-02 15:48:42,268 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1768 transitions. Word has length 125 [2024-12-02 15:48:42,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:42,269 INFO L471 AbstractCegarLoop]: Abstraction has 1352 states and 1768 transitions. [2024-12-02 15:48:42,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:48:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1768 transitions. [2024-12-02 15:48:42,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 15:48:42,271 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:42,272 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:42,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:48:42,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:48:42,472 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:42,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:42,473 INFO L85 PathProgramCache]: Analyzing trace with hash 843932688, now seen corresponding path program 1 times [2024-12-02 15:48:42,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:42,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512373268] [2024-12-02 15:48:42,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:42,474 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 [2024-12-02 15:48:42,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:42,476 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:48:42,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (17)] Waiting until timeout for monitored process [2024-12-02 15:48:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:42,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 15:48:42,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:42,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 43 [2024-12-02 15:48:43,043 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 8 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-12-02 15:48:43,043 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:48:43,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2024-12-02 15:48:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 15:48:43,390 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:48:43,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512373268] [2024-12-02 15:48:43,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512373268] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:48:43,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:48:43,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-12-02 15:48:43,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644197013] [2024-12-02 15:48:43,391 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:48:43,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:48:43,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:48:43,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:48:43,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:48:43,392 INFO L87 Difference]: Start difference. First operand 1352 states and 1768 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 15:48:47,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:47,832 INFO L93 Difference]: Finished difference Result 2625 states and 3407 transitions. [2024-12-02 15:48:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:48:47,835 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 127 [2024-12-02 15:48:47,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:47,838 INFO L225 Difference]: With dead ends: 2625 [2024-12-02 15:48:47,839 INFO L226 Difference]: Without dead ends: 1382 [2024-12-02 15:48:47,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-12-02 15:48:47,840 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 122 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:47,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 768 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-12-02 15:48:47,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2024-12-02 15:48:47,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1342. [2024-12-02 15:48:47,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1185 states have (on average 1.2590717299578058) internal successors, (1492), 1197 states have internal predecessors, (1492), 128 states have call successors, (128), 28 states have call predecessors, (128), 28 states have return successors, (128), 116 states have call predecessors, (128), 128 states have call successors, (128) [2024-12-02 15:48:47,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1748 transitions. [2024-12-02 15:48:47,988 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1748 transitions. Word has length 127 [2024-12-02 15:48:47,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:47,988 INFO L471 AbstractCegarLoop]: Abstraction has 1342 states and 1748 transitions. [2024-12-02 15:48:47,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 15:48:47,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1748 transitions. [2024-12-02 15:48:47,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 15:48:47,990 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:47,990 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:47,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (17)] Ended with exit code 0 [2024-12-02 15:48:48,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:48:48,191 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:48,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:48,191 INFO L85 PathProgramCache]: Analyzing trace with hash 2104923162, now seen corresponding path program 1 times [2024-12-02 15:48:48,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:48:48,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545353678] [2024-12-02 15:48:48,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:48,192 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 [2024-12-02 15:48:48,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:48:48,193 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:48:48,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:48:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:48,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 15:48:48,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:50,421 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 20 treesize of output 21 [2024-12-02 15:48:54,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:48:54,982 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 182 treesize of output 98 [2024-12-02 15:48:54,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 105 [2024-12-02 15:48:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 142 proven. 30 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 15:48:55,355 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:49:02,450 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:49:02,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545353678] [2024-12-02 15:49:02,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545353678] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:49:02,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1314245748] [2024-12-02 15:49:02,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:02,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:49:02,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:49:02,453 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:49:02,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-02 15:49:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:03,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-02 15:49:03,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:49:04,761 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 15 treesize of output 1 [2024-12-02 15:49:09,284 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 [2024-12-02 15:49:19,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:49:19,438 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 142 treesize of output 86 [2024-12-02 15:49:19,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 105 [2024-12-02 15:49:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 142 proven. 30 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 15:49:19,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:49:33,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1314245748] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:49:33,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:49:33,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2024-12-02 15:49:33,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366878473] [2024-12-02 15:49:33,539 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:49:33,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 15:49:33,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:49:33,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 15:49:33,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=678, Unknown=0, NotChecked=0, Total=812 [2024-12-02 15:49:33,541 INFO L87 Difference]: Start difference. First operand 1342 states and 1748 transitions. Second operand has 23 states, 21 states have (on average 6.095238095238095) internal successors, (128), 20 states have internal predecessors, (128), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 15:49:38,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:49:40,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:49:52,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:49:57,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:49:58,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:58,697 INFO L93 Difference]: Finished difference Result 2036 states and 2632 transitions. [2024-12-02 15:49:58,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 15:49:58,698 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 6.095238095238095) internal successors, (128), 20 states have internal predecessors, (128), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 127 [2024-12-02 15:49:58,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:58,702 INFO L225 Difference]: With dead ends: 2036 [2024-12-02 15:49:58,702 INFO L226 Difference]: Without dead ends: 2034 [2024-12-02 15:49:58,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 284 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 28.0s TimeCoverageRelationStatistics Valid=286, Invalid=1196, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 15:49:58,703 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 458 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:58,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 1119 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 798 Invalid, 1 Unknown, 0 Unchecked, 17.1s Time] [2024-12-02 15:49:58,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2024-12-02 15:49:58,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 1406. [2024-12-02 15:49:58,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1223 states have (on average 1.2510220768601799) internal successors, (1530), 1237 states have internal predecessors, (1530), 150 states have call successors, (150), 32 states have call predecessors, (150), 32 states have return successors, (150), 136 states have call predecessors, (150), 150 states have call successors, (150) [2024-12-02 15:49:58,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 1830 transitions. [2024-12-02 15:49:58,882 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 1830 transitions. Word has length 127 [2024-12-02 15:49:58,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:58,882 INFO L471 AbstractCegarLoop]: Abstraction has 1406 states and 1830 transitions. [2024-12-02 15:49:58,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 6.095238095238095) internal successors, (128), 20 states have internal predecessors, (128), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 15:49:58,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1830 transitions. [2024-12-02 15:49:58,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 15:49:58,884 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:58,884 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:58,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-02 15:49:59,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:49:59,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:49:59,285 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:49:59,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:59,285 INFO L85 PathProgramCache]: Analyzing trace with hash 198519896, now seen corresponding path program 1 times [2024-12-02 15:49:59,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:49:59,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129485390] [2024-12-02 15:49:59,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:59,286 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 [2024-12-02 15:49:59,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:49:59,287 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:49:59,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:49:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:59,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:49:59,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:49:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-12-02 15:49:59,598 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:49:59,598 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:49:59,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129485390] [2024-12-02 15:49:59,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129485390] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:59,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:59,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:49:59,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929692722] [2024-12-02 15:49:59,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:59,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:49:59,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:49:59,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:49:59,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:49:59,599 INFO L87 Difference]: Start difference. First operand 1406 states and 1830 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 15:49:59,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:59,963 INFO L93 Difference]: Finished difference Result 2010 states and 2583 transitions. [2024-12-02 15:49:59,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:49:59,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 127 [2024-12-02 15:49:59,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:59,967 INFO L225 Difference]: With dead ends: 2010 [2024-12-02 15:49:59,967 INFO L226 Difference]: Without dead ends: 800 [2024-12-02 15:49:59,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:49:59,969 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:59,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 575 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:49:59,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-12-02 15:50:00,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 776. [2024-12-02 15:50:00,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 667 states have (on average 1.2353823088455773) internal successors, (824), 673 states have internal predecessors, (824), 88 states have call successors, (88), 20 states have call predecessors, (88), 20 states have return successors, (88), 82 states have call predecessors, (88), 88 states have call successors, (88) [2024-12-02 15:50:00,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1000 transitions. [2024-12-02 15:50:00,045 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1000 transitions. Word has length 127 [2024-12-02 15:50:00,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:00,045 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1000 transitions. [2024-12-02 15:50:00,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 15:50:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1000 transitions. [2024-12-02 15:50:00,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 15:50:00,046 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:00,046 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:00,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:50:00,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:50:00,247 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:00,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:00,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1319683886, now seen corresponding path program 1 times [2024-12-02 15:50:00,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:50:00,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349279613] [2024-12-02 15:50:00,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:00,249 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 [2024-12-02 15:50:00,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:50:00,251 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:50:00,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:50:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:00,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 15:50:00,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:00,739 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 15 treesize of output 1 [2024-12-02 15:50:01,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2024-12-02 15:50:03,474 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 30 treesize of output 39 [2024-12-02 15:50:08,850 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:50:08,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 176 treesize of output 94 [2024-12-02 15:50:08,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 105 [2024-12-02 15:50:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-12-02 15:50:09,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:50:15,787 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:50:15,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349279613] [2024-12-02 15:50:15,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349279613] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:50:15,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1619211881] [2024-12-02 15:50:15,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:15,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:50:15,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:50:15,790 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:50:15,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-02 15:50:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:16,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 15:50:16,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:17,354 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 15 treesize of output 1 [2024-12-02 15:50:19,899 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 62 treesize of output 30 [2024-12-02 15:50:22,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2024-12-02 15:50:27,691 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:50:27,691 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 158 treesize of output 94 [2024-12-02 15:50:27,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 105 [2024-12-02 15:50:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-12-02 15:50:28,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:50:34,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1619211881] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:50:34,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:50:34,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-02 15:50:34,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50734783] [2024-12-02 15:50:34,815 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:50:34,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 15:50:34,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:50:34,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 15:50:34,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2024-12-02 15:50:34,817 INFO L87 Difference]: Start difference. First operand 776 states and 1000 transitions. Second operand has 22 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 15:50:41,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:50:45,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:50:55,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:50:56,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:56,448 INFO L93 Difference]: Finished difference Result 1352 states and 1719 transitions. [2024-12-02 15:50:56,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 15:50:56,450 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 127 [2024-12-02 15:50:56,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:56,452 INFO L225 Difference]: With dead ends: 1352 [2024-12-02 15:50:56,452 INFO L226 Difference]: Without dead ends: 804 [2024-12-02 15:50:56,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 292 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=241, Invalid=815, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 15:50:56,453 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 358 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:56,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1412 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2024-12-02 15:50:56,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2024-12-02 15:50:56,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 448. [2024-12-02 15:50:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 376 states have (on average 1.2154255319148937) internal successors, (457), 379 states have internal predecessors, (457), 57 states have call successors, (57), 14 states have call predecessors, (57), 14 states have return successors, (57), 54 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:50:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 571 transitions. [2024-12-02 15:50:56,503 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 571 transitions. Word has length 127 [2024-12-02 15:50:56,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:56,503 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 571 transitions. [2024-12-02 15:50:56,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 15:50:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 571 transitions. [2024-12-02 15:50:56,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 15:50:56,504 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:56,504 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:56,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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)] Ended with exit code 0 [2024-12-02 15:50:56,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-02 15:50:56,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 15:50:56,905 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:56,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:56,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1409300808, now seen corresponding path program 1 times [2024-12-02 15:50:56,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:50:56,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931411270] [2024-12-02 15:50:56,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:56,906 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 [2024-12-02 15:50:56,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:50:56,907 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:50:56,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (23)] Waiting until timeout for monitored process [2024-12-02 15:50:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:57,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:50:57,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:57,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 15:50:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-12-02 15:50:57,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:50:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:50:58,104 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:50:58,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931411270] [2024-12-02 15:50:58,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931411270] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:50:58,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:50:58,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-12-02 15:50:58,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927914657] [2024-12-02 15:50:58,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:58,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:50:58,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:50:58,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:50:58,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:50:58,106 INFO L87 Difference]: Start difference. First operand 448 states and 571 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:50:58,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:58,258 INFO L93 Difference]: Finished difference Result 862 states and 1080 transitions. [2024-12-02 15:50:58,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:50:58,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 129 [2024-12-02 15:50:58,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:58,261 INFO L225 Difference]: With dead ends: 862 [2024-12-02 15:50:58,261 INFO L226 Difference]: Without dead ends: 572 [2024-12-02 15:50:58,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:50:58,261 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 110 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:58,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 385 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:50:58,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-12-02 15:50:58,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 448. [2024-12-02 15:50:58,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 376 states have (on average 1.2074468085106382) internal successors, (454), 379 states have internal predecessors, (454), 57 states have call successors, (57), 14 states have call predecessors, (57), 14 states have return successors, (57), 54 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 15:50:58,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 568 transitions. [2024-12-02 15:50:58,323 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 568 transitions. Word has length 129 [2024-12-02 15:50:58,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:58,323 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 568 transitions. [2024-12-02 15:50:58,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:50:58,323 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 568 transitions. [2024-12-02 15:50:58,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 15:50:58,324 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:58,324 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:58,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (23)] Ended with exit code 0 [2024-12-02 15:50:58,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:50:58,525 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:58,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:58,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1080228154, now seen corresponding path program 1 times [2024-12-02 15:50:58,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:50:58,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042541258] [2024-12-02 15:50:58,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:58,526 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 [2024-12-02 15:50:58,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:50:58,528 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:50:58,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (24)] Waiting until timeout for monitored process [2024-12-02 15:50:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:58,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 15:50:58,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:59,162 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 47 treesize of output 23 [2024-12-02 15:50:59,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:50:59,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 54 [2024-12-02 15:51:05,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:51:05,539 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 152 treesize of output 68 [2024-12-02 15:51:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 15:51:10,611 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:51:10,611 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:51:10,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042541258] [2024-12-02 15:51:10,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042541258] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:10,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:10,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:51:10,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905061542] [2024-12-02 15:51:10,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:10,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:51:10,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:51:10,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:51:10,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:51:10,612 INFO L87 Difference]: Start difference. First operand 448 states and 568 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:51:46,751 WARN L286 SmtUtils]: Spent 21.53s on a formula simplification. DAG size of input: 69 DAG size of output: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 15:51:48,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:51:52,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:55,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:55,332 INFO L93 Difference]: Finished difference Result 1407 states and 1774 transitions. [2024-12-02 15:51:55,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:51:55,333 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2024-12-02 15:51:55,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:55,336 INFO L225 Difference]: With dead ends: 1407 [2024-12-02 15:51:55,336 INFO L226 Difference]: Without dead ends: 1111 [2024-12-02 15:51:55,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 38.8s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:51:55,337 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 200 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:55,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 905 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2024-12-02 15:51:55,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2024-12-02 15:51:55,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 893. [2024-12-02 15:51:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 759 states have (on average 1.2173913043478262) internal successors, (924), 764 states have internal predecessors, (924), 104 states have call successors, (104), 29 states have call predecessors, (104), 29 states have return successors, (104), 99 states have call predecessors, (104), 104 states have call successors, (104) [2024-12-02 15:51:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1132 transitions. [2024-12-02 15:51:55,472 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1132 transitions. Word has length 129 [2024-12-02 15:51:55,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:55,473 INFO L471 AbstractCegarLoop]: Abstraction has 893 states and 1132 transitions. [2024-12-02 15:51:55,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 9 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:51:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1132 transitions. [2024-12-02 15:51:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 15:51:55,474 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:55,474 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:55,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (24)] Ended with exit code 0 [2024-12-02 15:51:55,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:51:55,675 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:55,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:55,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1018188540, now seen corresponding path program 1 times [2024-12-02 15:51:55,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:51:55,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969049086] [2024-12-02 15:51:55,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:55,676 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 [2024-12-02 15:51:55,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:51:55,677 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:51:55,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (25)] Waiting until timeout for monitored process [2024-12-02 15:51:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:56,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 15:51:56,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:51:56,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 23 [2024-12-02 15:51:56,438 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 51 treesize of output 23 [2024-12-02 15:52:00,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:52:00,295 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 173 treesize of output 65 [2024-12-02 15:52:01,757 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-12-02 15:52:01,757 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:52:01,757 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:52:01,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969049086] [2024-12-02 15:52:01,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969049086] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:01,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:52:01,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:52:01,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867551341] [2024-12-02 15:52:01,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:01,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:52:01,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:52:01,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:52:01,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:52:01,759 INFO L87 Difference]: Start difference. First operand 893 states and 1132 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:52:17,384 WARN L286 SmtUtils]: Spent 6.93s on a formula simplification. DAG size of input: 65 DAG size of output: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 15:52:22,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:26,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:26,421 INFO L93 Difference]: Finished difference Result 2007 states and 2530 transitions. [2024-12-02 15:52:26,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:52:26,423 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2024-12-02 15:52:26,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:26,427 INFO L225 Difference]: With dead ends: 2007 [2024-12-02 15:52:26,427 INFO L226 Difference]: Without dead ends: 1331 [2024-12-02 15:52:26,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:52:26,429 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 199 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:52:26,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 873 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2024-12-02 15:52:26,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2024-12-02 15:52:26,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1055. [2024-12-02 15:52:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 885 states have (on average 1.2293785310734464) internal successors, (1088), 890 states have internal predecessors, (1088), 132 states have call successors, (132), 37 states have call predecessors, (132), 37 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) [2024-12-02 15:52:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1352 transitions. [2024-12-02 15:52:26,548 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1352 transitions. Word has length 129 [2024-12-02 15:52:26,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:26,549 INFO L471 AbstractCegarLoop]: Abstraction has 1055 states and 1352 transitions. [2024-12-02 15:52:26,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:52:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1352 transitions. [2024-12-02 15:52:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 15:52:26,550 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:26,550 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:52:26,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (25)] Ended with exit code 0 [2024-12-02 15:52:26,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:52:26,750 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:52:26,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:26,750 INFO L85 PathProgramCache]: Analyzing trace with hash -168988994, now seen corresponding path program 1 times [2024-12-02 15:52:26,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:52:26,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302212461] [2024-12-02 15:52:26,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:26,751 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 [2024-12-02 15:52:26,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:52:26,753 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:52:26,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (26)] Waiting until timeout for monitored process [2024-12-02 15:52:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:27,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 15:52:27,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:52:27,138 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 [2024-12-02 15:52:27,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 15:52:27,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 15:52:27,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:52:27,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2024-12-02 15:52:27,897 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:52:27,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 52 [2024-12-02 15:52:28,403 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:52:28,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 55 [2024-12-02 15:52:28,529 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 55 [2024-12-02 15:52:29,023 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:52:29,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 75 [2024-12-02 15:52:29,397 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:52:29,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 102 treesize of output 42 [2024-12-02 15:52:29,867 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 263 proven. 33 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-02 15:52:29,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:52:30,451 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:52:30,451 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:52:30,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302212461] [2024-12-02 15:52:30,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [302212461] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:52:30,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:52:30,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2024-12-02 15:52:30,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221893132] [2024-12-02 15:52:30,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:30,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:52:30,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:52:30,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:52:30,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:52:30,453 INFO L87 Difference]: Start difference. First operand 1055 states and 1352 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:52:31,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:31,220 INFO L93 Difference]: Finished difference Result 2182 states and 2730 transitions. [2024-12-02 15:52:31,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:52:31,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-12-02 15:52:31,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:31,224 INFO L225 Difference]: With dead ends: 2182 [2024-12-02 15:52:31,224 INFO L226 Difference]: Without dead ends: 1383 [2024-12-02 15:52:31,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:52:31,225 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 136 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:52:31,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 411 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:52:31,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2024-12-02 15:52:31,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1071. [2024-12-02 15:52:31,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 897 states have (on average 1.221850613154961) internal successors, (1096), 902 states have internal predecessors, (1096), 132 states have call successors, (132), 41 states have call predecessors, (132), 41 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) [2024-12-02 15:52:31,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1360 transitions. [2024-12-02 15:52:31,347 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1360 transitions. Word has length 130 [2024-12-02 15:52:31,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:31,347 INFO L471 AbstractCegarLoop]: Abstraction has 1071 states and 1360 transitions. [2024-12-02 15:52:31,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:52:31,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1360 transitions. [2024-12-02 15:52:31,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 15:52:31,348 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:31,348 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:52:31,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (26)] Ended with exit code 0 [2024-12-02 15:52:31,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:52:31,549 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:52:31,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:31,549 INFO L85 PathProgramCache]: Analyzing trace with hash -738933777, now seen corresponding path program 1 times [2024-12-02 15:52:31,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:52:31,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530195751] [2024-12-02 15:52:31,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:31,550 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 [2024-12-02 15:52:31,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:52:31,551 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:52:31,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (27)] Waiting until timeout for monitored process [2024-12-02 15:52:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:31,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 15:52:31,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:52:32,180 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 47 treesize of output 23 [2024-12-02 15:52:32,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:52:32,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 54 [2024-12-02 15:52:34,763 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:52:34,763 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 128 treesize of output 56 [2024-12-02 15:52:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 15:52:34,883 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:52:36,469 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:52:36,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530195751] [2024-12-02 15:52:36,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530195751] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:52:36,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [188607002] [2024-12-02 15:52:36,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:36,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:52:36,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:52:36,472 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:52:36,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-02 15:52:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:37,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 15:52:37,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:52:37,904 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 41 treesize of output 21 [2024-12-02 15:52:38,901 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:52:38,901 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 1 case distinctions, treesize of input 89 treesize of output 52 [2024-12-02 15:52:43,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:52:43,792 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 158 treesize of output 74 [2024-12-02 15:52:45,729 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 15:52:45,730 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:52:45,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [188607002] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:45,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:52:45,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-12-02 15:52:45,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135150739] [2024-12-02 15:52:45,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:45,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:52:45,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:52:45,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:52:45,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:52:45,731 INFO L87 Difference]: Start difference. First operand 1071 states and 1360 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:52:50,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:59,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:59,540 INFO L93 Difference]: Finished difference Result 2104 states and 2651 transitions. [2024-12-02 15:52:59,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:52:59,541 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2024-12-02 15:52:59,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:59,544 INFO L225 Difference]: With dead ends: 2104 [2024-12-02 15:52:59,544 INFO L226 Difference]: Without dead ends: 1305 [2024-12-02 15:52:59,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 354 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2024-12-02 15:52:59,545 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 189 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:52:59,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 915 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2024-12-02 15:52:59,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2024-12-02 15:52:59,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1211. [2024-12-02 15:52:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1037 states have (on average 1.2237222757955641) internal successors, (1269), 1042 states have internal predecessors, (1269), 132 states have call successors, (132), 41 states have call predecessors, (132), 41 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) [2024-12-02 15:52:59,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1533 transitions. [2024-12-02 15:52:59,692 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1533 transitions. Word has length 131 [2024-12-02 15:52:59,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:59,692 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1533 transitions. [2024-12-02 15:52:59,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:52:59,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1533 transitions. [2024-12-02 15:52:59,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 15:52:59,693 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:59,693 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:52:59,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (27)] Ended with exit code 0 [2024-12-02 15:52:59,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-02 15:53:00,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 15:53:00,094 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:53:00,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:00,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1473689222, now seen corresponding path program 1 times [2024-12-02 15:53:00,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:53:00,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898345900] [2024-12-02 15:53:00,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:00,095 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 [2024-12-02 15:53:00,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:53:00,096 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:53:00,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (29)] Waiting until timeout for monitored process [2024-12-02 15:53:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:00,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 15:53:00,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:53:00,499 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 [2024-12-02 15:53:00,503 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 14 treesize of output 10 [2024-12-02 15:53:00,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-12-02 15:53:00,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:53:00,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 42 [2024-12-02 15:53:01,329 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:53:01,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2024-12-02 15:53:01,713 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:53:01,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2024-12-02 15:53:01,831 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 61 treesize of output 45 [2024-12-02 15:53:01,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:53:01,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 75 [2024-12-02 15:53:02,462 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:53:02,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 102 treesize of output 42 [2024-12-02 15:53:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 263 proven. 12 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-12-02 15:53:02,581 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:53:03,034 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:53:03,034 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:53:03,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898345900] [2024-12-02 15:53:03,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898345900] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:53:03,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:53:03,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-12-02 15:53:03,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949211552] [2024-12-02 15:53:03,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:03,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:53:03,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:53:03,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:53:03,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:53:03,036 INFO L87 Difference]: Start difference. First operand 1211 states and 1533 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:53:03,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:03,775 INFO L93 Difference]: Finished difference Result 2386 states and 2965 transitions. [2024-12-02 15:53:03,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:53:03,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-12-02 15:53:03,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:03,779 INFO L225 Difference]: With dead ends: 2386 [2024-12-02 15:53:03,779 INFO L226 Difference]: Without dead ends: 1479 [2024-12-02 15:53:03,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:53:03,780 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 100 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:03,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 419 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:53:03,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2024-12-02 15:53:03,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 1165. [2024-12-02 15:53:03,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 991 states have (on average 1.2209889001009082) internal successors, (1210), 996 states have internal predecessors, (1210), 132 states have call successors, (132), 41 states have call predecessors, (132), 41 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) [2024-12-02 15:53:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1474 transitions. [2024-12-02 15:53:03,905 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1474 transitions. Word has length 131 [2024-12-02 15:53:03,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:03,905 INFO L471 AbstractCegarLoop]: Abstraction has 1165 states and 1474 transitions. [2024-12-02 15:53:03,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:53:03,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1474 transitions. [2024-12-02 15:53:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 15:53:03,907 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:03,907 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:03,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (29)] Ended with exit code 0 [2024-12-02 15:53:04,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:53:04,107 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:53:04,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:04,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1533167254, now seen corresponding path program 1 times [2024-12-02 15:53:04,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:53:04,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1178208915] [2024-12-02 15:53:04,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:04,108 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 [2024-12-02 15:53:04,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:53:04,110 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:53:04,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (30)] Waiting until timeout for monitored process [2024-12-02 15:53:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:04,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 15:53:04,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:53:04,547 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 [2024-12-02 15:53:04,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2024-12-02 15:53:04,702 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:53:04,702 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 37 treesize of output 17 [2024-12-02 15:53:04,878 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:53:04,878 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:53:04,878 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:53:04,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1178208915] [2024-12-02 15:53:04,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1178208915] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:04,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:04,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:53:04,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816041299] [2024-12-02 15:53:04,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:04,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:53:04,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:53:04,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:53:04,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:53:04,880 INFO L87 Difference]: Start difference. First operand 1165 states and 1474 transitions. Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:53:06,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:06,520 INFO L93 Difference]: Finished difference Result 2621 states and 3242 transitions. [2024-12-02 15:53:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:53:06,520 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-12-02 15:53:06,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:06,524 INFO L225 Difference]: With dead ends: 2621 [2024-12-02 15:53:06,524 INFO L226 Difference]: Without dead ends: 1751 [2024-12-02 15:53:06,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:53:06,526 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 78 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:06,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1357 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 15:53:06,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2024-12-02 15:53:06,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1744. [2024-12-02 15:53:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1744 states, 1486 states have (on average 1.189771197846568) internal successors, (1768), 1501 states have internal predecessors, (1768), 186 states have call successors, (186), 71 states have call predecessors, (186), 71 states have return successors, (186), 171 states have call predecessors, (186), 186 states have call successors, (186) [2024-12-02 15:53:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1744 states and 2140 transitions. [2024-12-02 15:53:06,729 INFO L78 Accepts]: Start accepts. Automaton has 1744 states and 2140 transitions. Word has length 136 [2024-12-02 15:53:06,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:06,730 INFO L471 AbstractCegarLoop]: Abstraction has 1744 states and 2140 transitions. [2024-12-02 15:53:06,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:53:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2140 transitions. [2024-12-02 15:53:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 15:53:06,730 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:06,731 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:06,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (30)] Ended with exit code 0 [2024-12-02 15:53:06,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:53:06,931 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:53:06,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:06,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1750682792, now seen corresponding path program 1 times [2024-12-02 15:53:06,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:53:06,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1732546337] [2024-12-02 15:53:06,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:06,932 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 [2024-12-02 15:53:06,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:53:06,933 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:53:06,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (31)] Waiting until timeout for monitored process [2024-12-02 15:53:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:07,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 15:53:07,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:53:07,415 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 14 treesize of output 10 [2024-12-02 15:53:07,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-12-02 15:53:07,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:53:07,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2024-12-02 15:53:08,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:53:08,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-12-02 15:53:08,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:53:08,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-12-02 15:53:08,856 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:53:08,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 47 [2024-12-02 15:53:09,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:53:09,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 28 [2024-12-02 15:53:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 231 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-02 15:53:09,445 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:53:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:53:09,851 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:53:09,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1732546337] [2024-12-02 15:53:09,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1732546337] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:53:09,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:53:09,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-12-02 15:53:09,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649415164] [2024-12-02 15:53:09,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:09,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:53:09,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:53:09,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:53:09,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:53:09,852 INFO L87 Difference]: Start difference. First operand 1744 states and 2140 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:53:10,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:10,680 INFO L93 Difference]: Finished difference Result 3182 states and 3879 transitions. [2024-12-02 15:53:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:53:10,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-12-02 15:53:10,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:10,685 INFO L225 Difference]: With dead ends: 3182 [2024-12-02 15:53:10,685 INFO L226 Difference]: Without dead ends: 1763 [2024-12-02 15:53:10,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 256 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:53:10,687 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 130 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:10,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 387 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:53:10,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2024-12-02 15:53:10,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1756. [2024-12-02 15:53:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1756 states, 1494 states have (on average 1.1860776439089693) internal successors, (1772), 1509 states have internal predecessors, (1772), 186 states have call successors, (186), 75 states have call predecessors, (186), 75 states have return successors, (186), 171 states have call predecessors, (186), 186 states have call successors, (186) [2024-12-02 15:53:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 2144 transitions. [2024-12-02 15:53:10,903 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 2144 transitions. Word has length 136 [2024-12-02 15:53:10,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:10,903 INFO L471 AbstractCegarLoop]: Abstraction has 1756 states and 2144 transitions. [2024-12-02 15:53:10,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:53:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2144 transitions. [2024-12-02 15:53:10,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 15:53:10,908 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:10,909 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:10,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (31)] Ended with exit code 0 [2024-12-02 15:53:11,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:53:11,109 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:53:11,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:11,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1039170859, now seen corresponding path program 1 times [2024-12-02 15:53:11,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:53:11,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475585077] [2024-12-02 15:53:11,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:11,110 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 [2024-12-02 15:53:11,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:53:11,112 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:53:11,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (32)] Waiting until timeout for monitored process [2024-12-02 15:53:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:11,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 15:53:11,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:53:51,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:53:51,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 259 treesize of output 91 [2024-12-02 15:53:57,190 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-12-02 15:53:57,190 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:53:57,190 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:53:57,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475585077] [2024-12-02 15:53:57,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [475585077] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:57,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:57,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:53:57,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395582427] [2024-12-02 15:53:57,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:57,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:53:57,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:53:57,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:53:57,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:53:57,191 INFO L87 Difference]: Start difference. First operand 1756 states and 2144 transitions. Second operand has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:54:28,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:36,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:55:54,825 WARN L286 SmtUtils]: Spent 57.73s on a formula simplification. DAG size of input: 73 DAG size of output: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 15:55:59,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:56:00,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:56:07,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:56:09,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:56:17,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:56:17,465 INFO L93 Difference]: Finished difference Result 4888 states and 5890 transitions. [2024-12-02 15:56:17,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:56:17,478 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2024-12-02 15:56:17,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:56:17,485 INFO L225 Difference]: With dead ends: 4888 [2024-12-02 15:56:17,485 INFO L226 Difference]: Without dead ends: 3473 [2024-12-02 15:56:17,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 99.6s TimeCoverageRelationStatistics Valid=55, Invalid=184, Unknown=1, NotChecked=0, Total=240 [2024-12-02 15:56:17,487 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 342 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:56:17,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 1212 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 680 Invalid, 1 Unknown, 0 Unchecked, 58.2s Time] [2024-12-02 15:56:17,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3473 states. [2024-12-02 15:56:17,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3473 to 2239. [2024-12-02 15:56:17,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2239 states, 1947 states have (on average 1.1941448382126347) internal successors, (2325), 1965 states have internal predecessors, (2325), 208 states have call successors, (208), 83 states have call predecessors, (208), 83 states have return successors, (208), 190 states have call predecessors, (208), 208 states have call successors, (208) [2024-12-02 15:56:17,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 2741 transitions. [2024-12-02 15:56:17,738 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 2741 transitions. Word has length 136 [2024-12-02 15:56:17,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:56:17,738 INFO L471 AbstractCegarLoop]: Abstraction has 2239 states and 2741 transitions. [2024-12-02 15:56:17,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:56:17,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2741 transitions. [2024-12-02 15:56:17,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 15:56:17,740 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:56:17,740 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:56:17,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (32)] Ended with exit code 0 [2024-12-02 15:56:17,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:56:17,940 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:56:17,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:56:17,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1510535000, now seen corresponding path program 1 times [2024-12-02 15:56:17,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:56:17,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972830437] [2024-12-02 15:56:17,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:56:17,941 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 [2024-12-02 15:56:17,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:56:17,943 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:56:17,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (33)] Waiting until timeout for monitored process [2024-12-02 15:56:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:56:18,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 15:56:18,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:56:18,430 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 19 treesize of output 1 [2024-12-02 15:56:18,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2024-12-02 15:56:18,702 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:56:18,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2024-12-02 15:56:19,029 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:56:19,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 41 [2024-12-02 15:56:19,086 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:56:19,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 41 [2024-12-02 15:56:19,370 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:56:19,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 49 [2024-12-02 15:56:19,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:56:19,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 30 [2024-12-02 15:56:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 191 proven. 12 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-12-02 15:56:19,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:56:20,265 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 15:56:20,265 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:56:20,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972830437] [2024-12-02 15:56:20,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972830437] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:56:20,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:56:20,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-12-02 15:56:20,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077711725] [2024-12-02 15:56:20,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:56:20,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:56:20,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:56:20,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:56:20,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:56:20,267 INFO L87 Difference]: Start difference. First operand 2239 states and 2741 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:56:21,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:56:21,324 INFO L93 Difference]: Finished difference Result 4637 states and 5628 transitions. [2024-12-02 15:56:21,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:56:21,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-12-02 15:56:21,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:56:21,334 INFO L225 Difference]: With dead ends: 4637 [2024-12-02 15:56:21,334 INFO L226 Difference]: Without dead ends: 2819 [2024-12-02 15:56:21,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:56:21,336 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 126 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:56:21,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 496 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:56:21,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2024-12-02 15:56:21,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2401. [2024-12-02 15:56:21,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2401 states, 2109 states have (on average 1.1939307728781412) internal successors, (2518), 2127 states have internal predecessors, (2518), 208 states have call successors, (208), 83 states have call predecessors, (208), 83 states have return successors, (208), 190 states have call predecessors, (208), 208 states have call successors, (208) [2024-12-02 15:56:21,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 2934 transitions. [2024-12-02 15:56:21,571 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 2934 transitions. Word has length 136 [2024-12-02 15:56:21,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:56:21,572 INFO L471 AbstractCegarLoop]: Abstraction has 2401 states and 2934 transitions. [2024-12-02 15:56:21,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 15:56:21,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2934 transitions. [2024-12-02 15:56:21,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 15:56:21,573 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:56:21,573 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:56:21,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (33)] Ended with exit code 0 [2024-12-02 15:56:21,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:56:21,773 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:56:21,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:56:21,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1773315046, now seen corresponding path program 1 times [2024-12-02 15:56:21,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:56:21,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214452486] [2024-12-02 15:56:21,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:56:21,774 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 [2024-12-02 15:56:21,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:56:21,775 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:56:21,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (34)] Waiting until timeout for monitored process [2024-12-02 15:56:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:56:22,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 15:56:22,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:56:22,273 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 14 treesize of output 10 [2024-12-02 15:56:22,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 15:56:22,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 15:56:22,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 15:56:22,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2024-12-02 15:56:22,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:56:22,877 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 42 treesize of output 22 [2024-12-02 15:56:23,098 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-12-02 15:56:23,099 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:56:23,099 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:56:23,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214452486] [2024-12-02 15:56:23,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214452486] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:56:23,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:56:23,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:56:23,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620708698] [2024-12-02 15:56:23,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:56:23,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:56:23,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:56:23,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:56:23,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:56:23,100 INFO L87 Difference]: Start difference. First operand 2401 states and 2934 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:56:26,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:56:26,030 INFO L93 Difference]: Finished difference Result 4838 states and 5863 transitions. [2024-12-02 15:56:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:56:26,030 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2024-12-02 15:56:26,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:56:26,036 INFO L225 Difference]: With dead ends: 4838 [2024-12-02 15:56:26,036 INFO L226 Difference]: Without dead ends: 2883 [2024-12-02 15:56:26,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:56:26,038 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 183 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:56:26,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1239 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 15:56:26,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2883 states. [2024-12-02 15:56:26,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2883 to 2875. [2024-12-02 15:56:26,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2875 states, 2469 states have (on average 1.176994734710409) internal successors, (2906), 2499 states have internal predecessors, (2906), 282 states have call successors, (282), 123 states have call predecessors, (282), 123 states have return successors, (282), 252 states have call predecessors, (282), 282 states have call successors, (282) [2024-12-02 15:56:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 3470 transitions. [2024-12-02 15:56:26,387 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 3470 transitions. Word has length 136 [2024-12-02 15:56:26,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:56:26,387 INFO L471 AbstractCegarLoop]: Abstraction has 2875 states and 3470 transitions. [2024-12-02 15:56:26,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:56:26,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 3470 transitions. [2024-12-02 15:56:26,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 15:56:26,388 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:56:26,389 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:56:26,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (34)] Ended with exit code 0 [2024-12-02 15:56:26,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:56:26,589 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:56:26,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:56:26,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1111557417, now seen corresponding path program 1 times [2024-12-02 15:56:26,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:56:26,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548439709] [2024-12-02 15:56:26,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:56:26,590 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 [2024-12-02 15:56:26,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:56:26,591 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:56:26,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (35)] Waiting until timeout for monitored process [2024-12-02 15:56:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:56:27,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 15:56:27,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:57:02,390 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:57:02,390 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 220 treesize of output 76 [2024-12-02 15:57:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-12-02 15:57:06,662 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:57:06,662 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:57:06,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548439709] [2024-12-02 15:57:06,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548439709] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:57:06,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:57:06,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:57:06,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457641031] [2024-12-02 15:57:06,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:57:06,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:57:06,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:57:06,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:57:06,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:57:06,663 INFO L87 Difference]: Start difference. First operand 2875 states and 3470 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:57:33,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:46,588 WARN L286 SmtUtils]: Spent 45.72s on a formula simplification. DAG size of input: 61 DAG size of output: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 15:58:49,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:58:56,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:58:57,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:07,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:10,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:59:11,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:59:11,508 INFO L93 Difference]: Finished difference Result 6988 states and 8316 transitions. [2024-12-02 15:59:11,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:59:11,514 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2024-12-02 15:59:11,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:59:11,524 INFO L225 Difference]: With dead ends: 6988 [2024-12-02 15:59:11,524 INFO L226 Difference]: Without dead ends: 4559 [2024-12-02 15:59:11,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 79.3s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:59:11,526 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 253 mSDsluCounter, 1044 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:59:11,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1228 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 60.6s Time] [2024-12-02 15:59:11,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4559 states. [2024-12-02 15:59:11,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4559 to 2875. [2024-12-02 15:59:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2875 states, 2469 states have (on average 1.176994734710409) internal successors, (2906), 2499 states have internal predecessors, (2906), 282 states have call successors, (282), 123 states have call predecessors, (282), 123 states have return successors, (282), 252 states have call predecessors, (282), 282 states have call successors, (282) [2024-12-02 15:59:11,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 3470 transitions. [2024-12-02 15:59:11,909 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 3470 transitions. Word has length 136 [2024-12-02 15:59:11,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:59:11,909 INFO L471 AbstractCegarLoop]: Abstraction has 2875 states and 3470 transitions. [2024-12-02 15:59:11,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:59:11,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 3470 transitions. [2024-12-02 15:59:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-02 15:59:11,910 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:59:11,911 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:59:11,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (35)] Forceful destruction successful, exit code 0 [2024-12-02 15:59:12,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:59:12,111 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:59:12,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:59:12,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1149178486, now seen corresponding path program 1 times [2024-12-02 15:59:12,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:59:12,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626629705] [2024-12-02 15:59:12,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:59:12,112 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 [2024-12-02 15:59:12,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:59:12,113 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:59:12,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03444082-b440-4e48-bcd5-45db1983a750/bin/uautomizer-verify-84ZbGMXZE1/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 (36)] Waiting until timeout for monitored process