./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.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_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 642511f0cc57b1630f0ad0545fc5a6d0fb09b97407825981361747f93de7622e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:26:03,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:26:03,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 11:26:03,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:26:03,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:26:03,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:26:03,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:26:03,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:26:03,705 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:26:03,705 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:26:03,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:26:03,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:26:03,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:26:03,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:26:03,706 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:26:03,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:26:03,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:26:03,706 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:26:03,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:26:03,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:26:03,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:26:03,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:26:03,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:26:03,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:26:03,707 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:26:03,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:26:03,707 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:26:03,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:26:03,707 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:26:03,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:26:03,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:26:03,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:26:03,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:26:03,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:26:03,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:26:03,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:26:03,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:26:03,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:26:03,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:26:03,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:26:03,708 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:26:03,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:26:03,708 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:26:03,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:26:03,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:26:03,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:26:03,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:26:03,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:26:03,709 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_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 -> 642511f0cc57b1630f0ad0545fc5a6d0fb09b97407825981361747f93de7622e [2024-12-02 11:26:03,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:26:03,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:26:03,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:26:03,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:26:03,934 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:26:03,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i [2024-12-02 11:26:06,534 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/data/2a0cc9503/a188c7fdc4064a4f922bb46c89eee879/FLAGacc019a1d [2024-12-02 11:26:06,736 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:26:06,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i [2024-12-02 11:26:06,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/data/2a0cc9503/a188c7fdc4064a4f922bb46c89eee879/FLAGacc019a1d [2024-12-02 11:26:07,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/data/2a0cc9503/a188c7fdc4064a4f922bb46c89eee879 [2024-12-02 11:26:07,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:26:07,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:26:07,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:26:07,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:26:07,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:26:07,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f51823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07, skipping insertion in model container [2024-12-02 11:26:07,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:26:07,261 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_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i[917,930] [2024-12-02 11:26:07,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:26:07,327 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:26:07,337 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_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i[917,930] [2024-12-02 11:26:07,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:26:07,381 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:26:07,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07 WrapperNode [2024-12-02 11:26:07,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:26:07,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:26:07,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:26:07,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:26:07,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,427 INFO L138 Inliner]: procedures = 29, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 424 [2024-12-02 11:26:07,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:26:07,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:26:07,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:26:07,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:26:07,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,442 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,460 INFO L175 MemorySlicer]: Split 110 memory accesses to 5 slices as follows [2, 20, 22, 33, 33]. 30 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 2, 2, 4, 2]. The 16 writes are split as follows [0, 2, 5, 6, 3]. [2024-12-02 11:26:07,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,473 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:26:07,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:26:07,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:26:07,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:26:07,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (1/1) ... [2024-12-02 11:26:07,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:26:07,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:26:07,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:26:07,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:26:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:26:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 11:26:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 11:26:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 11:26:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 11:26:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 11:26:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:26:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:26:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:26:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:26:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 11:26:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 11:26:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:26:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:26:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:26:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:26:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:26:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:26:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:26:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:26:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:26:07,671 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:26:07,673 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:26:08,044 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-12-02 11:26:08,044 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:26:08,055 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:26:08,055 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:26:08,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:26:08 BoogieIcfgContainer [2024-12-02 11:26:08,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:26:08,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:26:08,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:26:08,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:26:08,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:26:07" (1/3) ... [2024-12-02 11:26:08,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788c88b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:26:08, skipping insertion in model container [2024-12-02 11:26:08,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:07" (2/3) ... [2024-12-02 11:26:08,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788c88b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:26:08, skipping insertion in model container [2024-12-02 11:26:08,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:26:08" (3/3) ... [2024-12-02 11:26:08,064 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-31.i [2024-12-02 11:26:08,079 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:26:08,080 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-31.i that has 2 procedures, 87 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:26:08,133 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:26:08,144 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;@11178de7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:26:08,144 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:26:08,147 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:26:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 11:26:08,154 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:08,155 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:08,155 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:08,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:08,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1922605135, now seen corresponding path program 1 times [2024-12-02 11:26:08,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:08,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518403013] [2024-12-02 11:26:08,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:08,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 11:26:08,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:08,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518403013] [2024-12-02 11:26:08,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518403013] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:26:08,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893897846] [2024-12-02 11:26:08,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:08,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:26:08,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:26:08,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:26:08,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:26:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:08,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:26:08,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:26:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 11:26:08,647 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:26:08,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893897846] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:08,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:26:08,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 11:26:08,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666925908] [2024-12-02 11:26:08,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:08,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:26:08,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:08,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:26:08,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:26:08,674 INFO L87 Difference]: Start difference. First operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:26:08,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:08,699 INFO L93 Difference]: Finished difference Result 167 states and 261 transitions. [2024-12-02 11:26:08,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:26:08,700 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2024-12-02 11:26:08,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:08,706 INFO L225 Difference]: With dead ends: 167 [2024-12-02 11:26:08,707 INFO L226 Difference]: Without dead ends: 83 [2024-12-02 11:26:08,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 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 11:26:08,712 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:08,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:26:08,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-12-02 11:26:08,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-12-02 11:26:08,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 70 states have internal predecessors, (99), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:26:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2024-12-02 11:26:08,743 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 94 [2024-12-02 11:26:08,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:08,744 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2024-12-02 11:26:08,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:26:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2024-12-02 11:26:08,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 11:26:08,747 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:08,747 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:08,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:26:08,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 11:26:08,948 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:08,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:08,949 INFO L85 PathProgramCache]: Analyzing trace with hash 434162283, now seen corresponding path program 1 times [2024-12-02 11:26:08,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:08,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195454303] [2024-12-02 11:26:08,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:08,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:09,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:09,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195454303] [2024-12-02 11:26:09,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195454303] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:09,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:09,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:26:09,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597088047] [2024-12-02 11:26:09,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:09,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:26:09,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:09,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:26:09,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:26:09,335 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:09,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:09,391 INFO L93 Difference]: Finished difference Result 163 states and 239 transitions. [2024-12-02 11:26:09,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:26:09,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2024-12-02 11:26:09,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:09,393 INFO L225 Difference]: With dead ends: 163 [2024-12-02 11:26:09,393 INFO L226 Difference]: Without dead ends: 83 [2024-12-02 11:26:09,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:26:09,395 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:09,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 219 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:26:09,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-12-02 11:26:09,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-12-02 11:26:09,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 70 states have (on average 1.4) internal successors, (98), 70 states have internal predecessors, (98), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:26:09,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2024-12-02 11:26:09,403 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 94 [2024-12-02 11:26:09,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:09,405 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2024-12-02 11:26:09,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2024-12-02 11:26:09,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 11:26:09,406 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:09,407 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:09,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:26:09,407 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:09,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:09,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1154185619, now seen corresponding path program 1 times [2024-12-02 11:26:09,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:09,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296618469] [2024-12-02 11:26:09,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:09,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:12,394 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 11:26:12,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:12,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296618469] [2024-12-02 11:26:12,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296618469] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:12,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:12,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 11:26:12,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173888825] [2024-12-02 11:26:12,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:12,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 11:26:12,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:12,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 11:26:12,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-12-02 11:26:12,396 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand has 17 states, 16 states have (on average 2.8125) internal successors, (45), 17 states have internal predecessors, (45), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-12-02 11:26:14,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:14,294 INFO L93 Difference]: Finished difference Result 302 states and 429 transitions. [2024-12-02 11:26:14,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 11:26:14,294 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.8125) internal successors, (45), 17 states have internal predecessors, (45), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 94 [2024-12-02 11:26:14,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:14,296 INFO L225 Difference]: With dead ends: 302 [2024-12-02 11:26:14,296 INFO L226 Difference]: Without dead ends: 222 [2024-12-02 11:26:14,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=304, Invalid=1102, Unknown=0, NotChecked=0, Total=1406 [2024-12-02 11:26:14,298 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 608 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:14,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1056 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 11:26:14,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-12-02 11:26:14,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 148. [2024-12-02 11:26:14,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 128 states have (on average 1.3984375) internal successors, (179), 129 states have internal predecessors, (179), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 11:26:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 211 transitions. [2024-12-02 11:26:14,320 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 211 transitions. Word has length 94 [2024-12-02 11:26:14,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:14,321 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 211 transitions. [2024-12-02 11:26:14,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.8125) internal successors, (45), 17 states have internal predecessors, (45), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-12-02 11:26:14,321 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2024-12-02 11:26:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 11:26:14,323 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:14,323 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:14,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:26:14,323 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:14,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:14,324 INFO L85 PathProgramCache]: Analyzing trace with hash 692504298, now seen corresponding path program 1 times [2024-12-02 11:26:14,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:14,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667599877] [2024-12-02 11:26:14,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:14,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:15,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:15,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667599877] [2024-12-02 11:26:15,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667599877] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:15,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:15,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 11:26:15,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313838344] [2024-12-02 11:26:15,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:15,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 11:26:15,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:15,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 11:26:15,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:26:15,923 INFO L87 Difference]: Start difference. First operand 148 states and 211 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-12-02 11:26:16,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:16,417 INFO L93 Difference]: Finished difference Result 432 states and 616 transitions. [2024-12-02 11:26:16,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:26:16,418 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 95 [2024-12-02 11:26:16,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:16,421 INFO L225 Difference]: With dead ends: 432 [2024-12-02 11:26:16,421 INFO L226 Difference]: Without dead ends: 287 [2024-12-02 11:26:16,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:26:16,423 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 330 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:16,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 914 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 11:26:16,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-12-02 11:26:16,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 282. [2024-12-02 11:26:16,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 243 states have (on average 1.3991769547325104) internal successors, (340), 245 states have internal predecessors, (340), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 11:26:16,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 404 transitions. [2024-12-02 11:26:16,464 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 404 transitions. Word has length 95 [2024-12-02 11:26:16,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:16,465 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 404 transitions. [2024-12-02 11:26:16,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-12-02 11:26:16,465 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 404 transitions. [2024-12-02 11:26:16,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 11:26:16,467 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:16,467 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:16,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:26:16,467 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:16,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:16,468 INFO L85 PathProgramCache]: Analyzing trace with hash -463624664, now seen corresponding path program 1 times [2024-12-02 11:26:16,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:16,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093163359] [2024-12-02 11:26:16,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:16,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:16,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:16,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093163359] [2024-12-02 11:26:16,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093163359] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:16,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:16,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:26:16,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835343715] [2024-12-02 11:26:16,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:16,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:26:16,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:16,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:26:16,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:26:16,596 INFO L87 Difference]: Start difference. First operand 282 states and 404 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:16,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:16,656 INFO L93 Difference]: Finished difference Result 561 states and 805 transitions. [2024-12-02 11:26:16,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:26:16,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-12-02 11:26:16,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:16,659 INFO L225 Difference]: With dead ends: 561 [2024-12-02 11:26:16,659 INFO L226 Difference]: Without dead ends: 282 [2024-12-02 11:26:16,660 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:26:16,661 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:16,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 217 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:26:16,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-12-02 11:26:16,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2024-12-02 11:26:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 243 states have (on average 1.382716049382716) internal successors, (336), 245 states have internal predecessors, (336), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 11:26:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 400 transitions. [2024-12-02 11:26:16,695 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 400 transitions. Word has length 96 [2024-12-02 11:26:16,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:16,696 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 400 transitions. [2024-12-02 11:26:16,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:16,696 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 400 transitions. [2024-12-02 11:26:16,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 11:26:16,698 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:16,698 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:16,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:26:16,698 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:16,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:16,698 INFO L85 PathProgramCache]: Analyzing trace with hash -856651674, now seen corresponding path program 1 times [2024-12-02 11:26:16,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:16,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953603470] [2024-12-02 11:26:16,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:16,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:17,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:17,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953603470] [2024-12-02 11:26:17,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953603470] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:17,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:17,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 11:26:17,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509514170] [2024-12-02 11:26:17,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:17,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:26:17,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:17,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:26:17,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:26:17,568 INFO L87 Difference]: Start difference. First operand 282 states and 400 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:17,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:17,935 INFO L93 Difference]: Finished difference Result 594 states and 840 transitions. [2024-12-02 11:26:17,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:26:17,936 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-12-02 11:26:17,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:17,938 INFO L225 Difference]: With dead ends: 594 [2024-12-02 11:26:17,938 INFO L226 Difference]: Without dead ends: 315 [2024-12-02 11:26:17,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-12-02 11:26:17,939 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 234 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:17,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 572 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:26:17,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-12-02 11:26:17,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 214. [2024-12-02 11:26:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 180 states have (on average 1.3555555555555556) internal successors, (244), 181 states have internal predecessors, (244), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 11:26:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 298 transitions. [2024-12-02 11:26:17,964 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 298 transitions. Word has length 96 [2024-12-02 11:26:17,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:17,964 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 298 transitions. [2024-12-02 11:26:17,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 298 transitions. [2024-12-02 11:26:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 11:26:17,965 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:17,965 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:17,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:26:17,965 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:17,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:17,966 INFO L85 PathProgramCache]: Analyzing trace with hash 916608243, now seen corresponding path program 1 times [2024-12-02 11:26:17,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:17,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860316119] [2024-12-02 11:26:17,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:17,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:18,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:18,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860316119] [2024-12-02 11:26:18,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860316119] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:18,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:18,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:26:18,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759553589] [2024-12-02 11:26:18,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:18,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:26:18,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:18,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:26:18,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:26:18,007 INFO L87 Difference]: Start difference. First operand 214 states and 298 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:18,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:18,036 INFO L93 Difference]: Finished difference Result 411 states and 573 transitions. [2024-12-02 11:26:18,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:26:18,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-12-02 11:26:18,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:18,038 INFO L225 Difference]: With dead ends: 411 [2024-12-02 11:26:18,038 INFO L226 Difference]: Without dead ends: 216 [2024-12-02 11:26:18,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:26:18,040 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:18,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 230 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:26:18,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-12-02 11:26:18,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-12-02 11:26:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 182 states have (on average 1.3516483516483517) internal successors, (246), 183 states have internal predecessors, (246), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 11:26:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 300 transitions. [2024-12-02 11:26:18,063 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 300 transitions. Word has length 96 [2024-12-02 11:26:18,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:18,063 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 300 transitions. [2024-12-02 11:26:18,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 300 transitions. [2024-12-02 11:26:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 11:26:18,064 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:18,064 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:18,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:26:18,064 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:18,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:18,065 INFO L85 PathProgramCache]: Analyzing trace with hash 329802229, now seen corresponding path program 1 times [2024-12-02 11:26:18,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:18,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059891978] [2024-12-02 11:26:18,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:18,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:18,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:18,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059891978] [2024-12-02 11:26:18,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059891978] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:18,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:18,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:26:18,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134286869] [2024-12-02 11:26:18,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:18,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:26:18,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:18,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:26:18,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:26:18,172 INFO L87 Difference]: Start difference. First operand 216 states and 300 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:18,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:18,261 INFO L93 Difference]: Finished difference Result 481 states and 667 transitions. [2024-12-02 11:26:18,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:26:18,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-12-02 11:26:18,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:18,264 INFO L225 Difference]: With dead ends: 481 [2024-12-02 11:26:18,264 INFO L226 Difference]: Without dead ends: 284 [2024-12-02 11:26:18,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:26:18,265 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 49 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:18,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 534 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:26:18,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-12-02 11:26:18,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 218. [2024-12-02 11:26:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 184 states have (on average 1.3423913043478262) internal successors, (247), 185 states have internal predecessors, (247), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 11:26:18,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 301 transitions. [2024-12-02 11:26:18,287 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 301 transitions. Word has length 96 [2024-12-02 11:26:18,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:18,287 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 301 transitions. [2024-12-02 11:26:18,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:18,287 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 301 transitions. [2024-12-02 11:26:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 11:26:18,288 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:18,288 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:18,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:26:18,288 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:18,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:18,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1874819353, now seen corresponding path program 1 times [2024-12-02 11:26:18,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:18,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760187512] [2024-12-02 11:26:18,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:18,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:18,388 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:18,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:18,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760187512] [2024-12-02 11:26:18,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760187512] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:18,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:18,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:26:18,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811996679] [2024-12-02 11:26:18,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:18,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:26:18,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:18,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:26:18,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:26:18,390 INFO L87 Difference]: Start difference. First operand 218 states and 301 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:18,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:18,475 INFO L93 Difference]: Finished difference Result 473 states and 650 transitions. [2024-12-02 11:26:18,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:26:18,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 97 [2024-12-02 11:26:18,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:18,478 INFO L225 Difference]: With dead ends: 473 [2024-12-02 11:26:18,478 INFO L226 Difference]: Without dead ends: 274 [2024-12-02 11:26:18,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:26:18,479 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 40 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 427 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 11:26:18,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 427 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:26:18,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-12-02 11:26:18,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 218. [2024-12-02 11:26:18,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 184 states have (on average 1.326086956521739) internal successors, (244), 185 states have internal predecessors, (244), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 11:26:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 298 transitions. [2024-12-02 11:26:18,500 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 298 transitions. Word has length 97 [2024-12-02 11:26:18,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:18,500 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 298 transitions. [2024-12-02 11:26:18,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 298 transitions. [2024-12-02 11:26:18,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 11:26:18,501 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:18,502 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:18,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 11:26:18,502 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:18,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:18,502 INFO L85 PathProgramCache]: Analyzing trace with hash -421311151, now seen corresponding path program 1 times [2024-12-02 11:26:18,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:18,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727369484] [2024-12-02 11:26:18,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:18,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:18,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:18,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727369484] [2024-12-02 11:26:18,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727369484] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:18,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:18,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:26:18,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342750405] [2024-12-02 11:26:18,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:18,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:26:18,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:18,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:26:18,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:26:18,820 INFO L87 Difference]: Start difference. First operand 218 states and 298 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:19,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:19,032 INFO L93 Difference]: Finished difference Result 397 states and 540 transitions. [2024-12-02 11:26:19,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:26:19,033 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 98 [2024-12-02 11:26:19,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:19,034 INFO L225 Difference]: With dead ends: 397 [2024-12-02 11:26:19,034 INFO L226 Difference]: Without dead ends: 291 [2024-12-02 11:26:19,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:26:19,035 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 226 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:19,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 633 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:26:19,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-12-02 11:26:19,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 238. [2024-12-02 11:26:19,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 204 states have (on average 1.3284313725490196) internal successors, (271), 205 states have internal predecessors, (271), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 11:26:19,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 325 transitions. [2024-12-02 11:26:19,059 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 325 transitions. Word has length 98 [2024-12-02 11:26:19,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:19,059 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 325 transitions. [2024-12-02 11:26:19,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:19,059 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 325 transitions. [2024-12-02 11:26:19,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 11:26:19,060 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:19,060 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:19,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 11:26:19,060 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:19,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:19,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1036545903, now seen corresponding path program 1 times [2024-12-02 11:26:19,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:19,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464669952] [2024-12-02 11:26:19,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:19,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:19,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:19,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464669952] [2024-12-02 11:26:19,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464669952] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:19,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:19,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:26:19,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509608461] [2024-12-02 11:26:19,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:19,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:26:19,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:19,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:26:19,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:26:19,236 INFO L87 Difference]: Start difference. First operand 238 states and 325 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:19,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:19,330 INFO L93 Difference]: Finished difference Result 547 states and 746 transitions. [2024-12-02 11:26:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:26:19,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-12-02 11:26:19,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:19,332 INFO L225 Difference]: With dead ends: 547 [2024-12-02 11:26:19,332 INFO L226 Difference]: Without dead ends: 328 [2024-12-02 11:26:19,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:26:19,333 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 89 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:19,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 364 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:26:19,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-12-02 11:26:19,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 250. [2024-12-02 11:26:19,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 216 states have (on average 1.3101851851851851) internal successors, (283), 217 states have internal predecessors, (283), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 11:26:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 337 transitions. [2024-12-02 11:26:19,370 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 337 transitions. Word has length 99 [2024-12-02 11:26:19,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:19,370 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 337 transitions. [2024-12-02 11:26:19,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 337 transitions. [2024-12-02 11:26:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 11:26:19,371 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:19,371 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:19,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 11:26:19,372 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:19,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:19,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1365186479, now seen corresponding path program 1 times [2024-12-02 11:26:19,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:19,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937854331] [2024-12-02 11:26:19,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:19,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 11:26:19,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:19,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937854331] [2024-12-02 11:26:19,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937854331] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:26:19,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904281753] [2024-12-02 11:26:19,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:19,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:26:19,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:26:19,495 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:26:19,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:26:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:19,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:26:19,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:26:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:19,709 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:26:19,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904281753] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:19,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:26:19,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-12-02 11:26:19,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327804665] [2024-12-02 11:26:19,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:19,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:26:19,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:19,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:26:19,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:26:19,711 INFO L87 Difference]: Start difference. First operand 250 states and 337 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:19,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:19,751 INFO L93 Difference]: Finished difference Result 490 states and 659 transitions. [2024-12-02 11:26:19,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:26:19,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-12-02 11:26:19,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:19,754 INFO L225 Difference]: With dead ends: 490 [2024-12-02 11:26:19,754 INFO L226 Difference]: Without dead ends: 259 [2024-12-02 11:26:19,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 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 11:26:19,755 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:19,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:26:19,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-12-02 11:26:19,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 255. [2024-12-02 11:26:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 221 states have (on average 1.3031674208144797) internal successors, (288), 222 states have internal predecessors, (288), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 11:26:19,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 342 transitions. [2024-12-02 11:26:19,777 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 342 transitions. Word has length 99 [2024-12-02 11:26:19,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:19,778 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 342 transitions. [2024-12-02 11:26:19,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:19,778 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 342 transitions. [2024-12-02 11:26:19,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 11:26:19,779 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:19,779 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:19,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:26:19,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 11:26:19,980 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:19,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:19,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1572870353, now seen corresponding path program 1 times [2024-12-02 11:26:19,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:19,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840176414] [2024-12-02 11:26:19,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:19,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:20,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:20,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840176414] [2024-12-02 11:26:20,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840176414] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:20,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:20,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 11:26:20,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969229217] [2024-12-02 11:26:20,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:20,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:26:20,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:20,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:26:20,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:26:20,199 INFO L87 Difference]: Start difference. First operand 255 states and 342 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:26:20,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:20,488 INFO L93 Difference]: Finished difference Result 626 states and 833 transitions. [2024-12-02 11:26:20,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 11:26:20,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 99 [2024-12-02 11:26:20,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:20,490 INFO L225 Difference]: With dead ends: 626 [2024-12-02 11:26:20,490 INFO L226 Difference]: Without dead ends: 390 [2024-12-02 11:26:20,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:26:20,491 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 155 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:20,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 694 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:26:20,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-12-02 11:26:20,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 267. [2024-12-02 11:26:20,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 233 states have (on average 1.3133047210300428) internal successors, (306), 234 states have internal predecessors, (306), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 11:26:20,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 360 transitions. [2024-12-02 11:26:20,516 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 360 transitions. Word has length 99 [2024-12-02 11:26:20,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:20,517 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 360 transitions. [2024-12-02 11:26:20,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:26:20,517 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 360 transitions. [2024-12-02 11:26:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 11:26:20,518 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:20,518 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:20,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 11:26:20,518 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:20,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:20,519 INFO L85 PathProgramCache]: Analyzing trace with hash 551801999, now seen corresponding path program 1 times [2024-12-02 11:26:20,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:20,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197357672] [2024-12-02 11:26:20,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:20,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:20,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:20,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197357672] [2024-12-02 11:26:20,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197357672] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:20,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:20,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:26:20,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861091791] [2024-12-02 11:26:20,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:20,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:26:20,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:20,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:26:20,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:26:20,686 INFO L87 Difference]: Start difference. First operand 267 states and 360 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:20,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:20,857 INFO L93 Difference]: Finished difference Result 618 states and 823 transitions. [2024-12-02 11:26:20,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:26:20,858 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-12-02 11:26:20,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:20,860 INFO L225 Difference]: With dead ends: 618 [2024-12-02 11:26:20,860 INFO L226 Difference]: Without dead ends: 370 [2024-12-02 11:26:20,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 11:26:20,861 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 68 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:20,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 571 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:26:20,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-12-02 11:26:20,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 237. [2024-12-02 11:26:20,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 208 states have (on average 1.3028846153846154) internal successors, (271), 208 states have internal predecessors, (271), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 11:26:20,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 315 transitions. [2024-12-02 11:26:20,886 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 315 transitions. Word has length 99 [2024-12-02 11:26:20,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:20,886 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 315 transitions. [2024-12-02 11:26:20,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 315 transitions. [2024-12-02 11:26:20,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 11:26:20,887 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:20,887 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:20,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 11:26:20,888 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:20,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:20,888 INFO L85 PathProgramCache]: Analyzing trace with hash -2001270962, now seen corresponding path program 1 times [2024-12-02 11:26:20,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:20,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971617585] [2024-12-02 11:26:20,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:20,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 11:26:20,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [156302889] [2024-12-02 11:26:20,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:20,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:26:20,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:26:20,947 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:26:20,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:26:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:21,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-02 11:26:21,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:26:22,309 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 23 treesize of output 11 [2024-12-02 11:26:22,667 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 23 treesize of output 11 [2024-12-02 11:26:23,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 11:26:23,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 11:26:23,376 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-12-02 11:26:23,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 34 [2024-12-02 11:26:23,486 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 25 treesize of output 21 [2024-12-02 11:26:23,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 11:26:23,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 11:26:23,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2024-12-02 11:26:23,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 11:26:23,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 11:26:23,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2024-12-02 11:26:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 11:26:23,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:26:23,871 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 59 treesize of output 51 [2024-12-02 11:26:28,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:28,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971617585] [2024-12-02 11:26:28,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 11:26:28,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156302889] [2024-12-02 11:26:28,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156302889] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:26:28,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:26:28,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-12-02 11:26:28,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148472745] [2024-12-02 11:26:28,277 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 11:26:28,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 11:26:28,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:28,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 11:26:28,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=189, Unknown=1, NotChecked=0, Total=240 [2024-12-02 11:26:28,278 INFO L87 Difference]: Start difference. First operand 237 states and 315 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:26:28,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:28,934 INFO L93 Difference]: Finished difference Result 682 states and 906 transitions. [2024-12-02 11:26:28,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 11:26:28,935 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 99 [2024-12-02 11:26:28,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:28,937 INFO L225 Difference]: With dead ends: 682 [2024-12-02 11:26:28,937 INFO L226 Difference]: Without dead ends: 448 [2024-12-02 11:26:28,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=93, Invalid=326, Unknown=1, NotChecked=0, Total=420 [2024-12-02 11:26:28,939 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 193 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:28,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1065 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 11:26:28,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-12-02 11:26:28,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 348. [2024-12-02 11:26:28,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 305 states have (on average 1.2918032786885245) internal successors, (394), 305 states have internal predecessors, (394), 33 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 11:26:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 460 transitions. [2024-12-02 11:26:28,987 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 460 transitions. Word has length 99 [2024-12-02 11:26:28,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:28,987 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 460 transitions. [2024-12-02 11:26:28,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:26:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 460 transitions. [2024-12-02 11:26:28,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 11:26:28,989 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:28,989 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:28,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 11:26:29,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 11:26:29,189 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:29,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:29,190 INFO L85 PathProgramCache]: Analyzing trace with hash 325744351, now seen corresponding path program 1 times [2024-12-02 11:26:29,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:29,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828931933] [2024-12-02 11:26:29,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:29,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:29,347 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 11:26:29,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:26:29,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828931933] [2024-12-02 11:26:29,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828931933] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:26:29,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210914268] [2024-12-02 11:26:29,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:29,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:26:29,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:26:29,349 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:26:29,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:26:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:29,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:26:29,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:26:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:29,575 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:26:29,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210914268] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:29,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:26:29,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-12-02 11:26:29,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082354605] [2024-12-02 11:26:29,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:29,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:26:29,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:26:29,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:26:29,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:26:29,576 INFO L87 Difference]: Start difference. First operand 348 states and 460 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:29,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:29,651 INFO L93 Difference]: Finished difference Result 590 states and 782 transitions. [2024-12-02 11:26:29,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:26:29,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 100 [2024-12-02 11:26:29,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:29,653 INFO L225 Difference]: With dead ends: 590 [2024-12-02 11:26:29,653 INFO L226 Difference]: Without dead ends: 356 [2024-12-02 11:26:29,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:26:29,655 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:29,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 565 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:26:29,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-12-02 11:26:29,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 353. [2024-12-02 11:26:29,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 310 states have (on average 1.2870967741935484) internal successors, (399), 310 states have internal predecessors, (399), 33 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 11:26:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 465 transitions. [2024-12-02 11:26:29,702 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 465 transitions. Word has length 100 [2024-12-02 11:26:29,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:29,702 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 465 transitions. [2024-12-02 11:26:29,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:29,702 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 465 transitions. [2024-12-02 11:26:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 11:26:29,703 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:29,703 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:29,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 11:26:29,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 11:26:29,904 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:29,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:29,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1298355466, now seen corresponding path program 1 times [2024-12-02 11:26:29,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:26:29,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707226367] [2024-12-02 11:26:29,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:29,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:26:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 11:26:29,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1747667548] [2024-12-02 11:26:29,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:29,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:26:29,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:26:29,966 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:26:29,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 11:26:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:26:30,302 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:26:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:26:30,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:26:30,521 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:26:30,522 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:26:30,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 11:26:30,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 11:26:30,727 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:26:30,816 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:26:30,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:26:30 BoogieIcfgContainer [2024-12-02 11:26:30,819 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:26:30,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:26:30,820 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:26:30,820 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:26:30,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:26:08" (3/4) ... [2024-12-02 11:26:30,823 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 11:26:30,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:26:30,824 INFO L158 Benchmark]: Toolchain (without parser) took 23714.39ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 117.1MB in the beginning and 140.5MB in the end (delta: -23.4MB). Peak memory consumption was 211.0MB. Max. memory is 16.1GB. [2024-12-02 11:26:30,824 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:26:30,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.13ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 102.6MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:26:30,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.42ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 99.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:26:30,825 INFO L158 Benchmark]: Boogie Preprocessor took 57.28ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 95.9MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:26:30,825 INFO L158 Benchmark]: RCFGBuilder took 569.66ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 66.5MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 11:26:30,825 INFO L158 Benchmark]: TraceAbstraction took 22762.15ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 65.9MB in the beginning and 140.5MB in the end (delta: -74.6MB). Peak memory consumption was 160.7MB. Max. memory is 16.1GB. [2024-12-02 11:26:30,825 INFO L158 Benchmark]: Witness Printer took 3.52ms. Allocated memory is still 377.5MB. Free memory was 140.5MB in the beginning and 140.5MB in the end (delta: 51.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:26:30,827 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.13ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 102.6MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.42ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 99.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.28ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 95.9MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 569.66ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 66.5MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 22762.15ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 65.9MB in the beginning and 140.5MB in the end (delta: -74.6MB). Peak memory consumption was 160.7MB. Max. memory is 16.1GB. * Witness Printer took 3.52ms. Allocated memory is still 377.5MB. Free memory was 140.5MB in the beginning and 140.5MB in the end (delta: 51.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer = &(BOOL_unsigned_char_Array_0[0]); [L26] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer = &(BOOL_unsigned_char_Array_0[1]); [L27-L29] double double_Array_0[2] = { 0.97, 32.6 }; [L27-L29] double double_Array_0[2] = { 0.97, 32.6 }; [L27-L29] double double_Array_0[2] = { 0.97, 32.6 }; [L30] double* double_Array_0_arraydouble_Array_0arrayVar0_Pointer = &(double_Array_0[0]); [L31] double* double_Array_0_arraydouble_Array_0arrayVar1_Pointer = &(double_Array_0[1]); [L32-L34] signed long int signed_long_int_Array_0[2][2] = { {-32, 1107940323}, {4, 200} }; [L32-L34] signed long int signed_long_int_Array_0[2][2] = { {-32, 1107940323}, {4, 200} }; [L32-L34] signed long int signed_long_int_Array_0[2][2] = { {-32, 1107940323}, {4, 200} }; [L32-L34] signed long int signed_long_int_Array_0[2][2] = { {-32, 1107940323}, {4, 200} }; [L32-L34] signed long int signed_long_int_Array_0[2][2] = { {-32, 1107940323}, {4, 200} }; [L35] signed long int* signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer = &(signed_long_int_Array_0[0][0]); [L36] signed long int* signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer = &(signed_long_int_Array_0[1][0]); [L37] signed long int* signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer = &(signed_long_int_Array_0[0][1]); [L38] signed long int* signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer = &(signed_long_int_Array_0[1][1]); [L39-L41] unsigned char unsigned_char_Array_0[2] = { 4, 64 }; [L39-L41] unsigned char unsigned_char_Array_0[2] = { 4, 64 }; [L39-L41] unsigned char unsigned_char_Array_0[2] = { 4, 64 }; [L42] unsigned char* unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer = &(unsigned_char_Array_0[0]); [L43] unsigned char* unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer = &(unsigned_char_Array_0[1]); [L44] double last_1_double_Array_0_0_ = 0.97; [L45] signed long int last_1_signed_long_int_Array_0_1__0_ = 4; VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=0, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L112] isInitial = 1 [L113] FCALL initially() [L115] CALL updateLastVariables() [L104] EXPR double_Array_0[0] [L104] last_1_double_Array_0_0_ = double_Array_0[0] [L105] EXPR signed_long_int_Array_0[1][0] [L105] last_1_signed_long_int_Array_0_1__0_ = signed_long_int_Array_0[1][0] [L115] RET updateLastVariables() [L116] CALL updateVariables() [L85] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L86] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L86] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L86] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L87] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L87] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L87] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L88] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L89] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L89] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L89] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L90] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L90] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L90] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L91] double_Array_0[1] = __VERIFIER_nondet_double() [L92] EXPR double_Array_0[1] [L92] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L92] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F [L92] EXPR double_Array_0[1] [L92] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L92] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L92] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L92] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L92] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L93] signed_long_int_Array_0[0][0] = __VERIFIER_nondet_long() [L94] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L94] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L94] RET assume_abort_if_not(signed_long_int_Array_0[0][0] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L95] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L95] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L95] RET assume_abort_if_not(signed_long_int_Array_0[0][0] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L96] signed_long_int_Array_0[0][1] = __VERIFIER_nondet_long() [L97] EXPR signed_long_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L97] CALL assume_abort_if_not(signed_long_int_Array_0[0][1] >= 1073741822) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L97] RET assume_abort_if_not(signed_long_int_Array_0[0][1] >= 1073741822) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L98] EXPR signed_long_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L98] CALL assume_abort_if_not(signed_long_int_Array_0[0][1] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L98] RET assume_abort_if_not(signed_long_int_Array_0[0][1] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L99] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L100] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L100] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L100] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L101] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L101] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L101] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L116] RET updateVariables() [L117] CALL step() [L49] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer) [L49] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L49] COND FALSE !(! ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) * last_1_signed_long_int_Array_0_1__0_))) [L56] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer) [L56] (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) = (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)) [L58] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L58] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L58] COND FALSE !((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) [L61] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L61] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer) [L61] (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) = ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))) [L63] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L63] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer) [L63] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L63] COND FALSE !(((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) [L74] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L74] (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) = (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)) [L76] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L76] COND TRUE (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) [L77] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer) [L77] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L77] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L77] (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) = (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))) : 1) [L108] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer) [L108] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer) [L108] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L108] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L108] EXPR (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))) : 1)) && (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))) : 1)) && (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))))) [L108] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L108] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))))) [L108] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer) [L108] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L108] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer) [L108] EXPR ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))) : 1)) && (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))) : 1)) && (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))))))) && ((! ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))) : 1) : 1) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))) : 1)) && (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))))))) && ((! ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))) : 1) : 1) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))))) [L108] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer) [L108] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR (! ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))) : 1) : 1) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))) [L108] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L108] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer) [L108] EXPR (! ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))) : 1) : 1) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))) : 1)) && (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))))))) && ((! ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))) : 1) : 1) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR ((((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))) : 1)) && (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))))))) && ((! ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))) : 1) : 1) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))))) && ((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) 0.8)) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR ((((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))) : 1)) && (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))))))) && ((! ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))) : 1) : 1) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))))) && ((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) 0.8)) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) [L108] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) [L108] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer) [L108] EXPR \read(*unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) 0.8)) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)))) [L108] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) [L108] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L108] EXPR (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) 0.8)) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer)))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108] EXPR ((((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))) : 1)) && (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))))))) && ((! ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))) : 1) : 1) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))))) && ((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) 0.8)) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L108-L109] return ((((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) - (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) && ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer)) == ((signed long int) (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)))) : 1)) && (((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer)) == ((signed long int) ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) - (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))))))) && ((! ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer)) < ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))) : 1) : 1) : ((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer)))))) && ((((*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer))) < (*(unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer))) ? (((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) ? ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) 0.8)) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) : ((*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer)) == ((double) (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))))) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={6:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer={6:8}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer={6:4}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer={6:12}, unsigned_char_Array_0={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var0_Pointer={7:0}, unsigned_char_Array_0_arrayunsigned_char_Array_0Var1_Pointer={7:1}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.6s, OverallIterations: 17, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1993 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1992 mSDsluCounter, 8636 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6471 mSDsCounter, 236 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2131 IncrementalHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 236 mSolverCounterUnsat, 2165 mSDtfsCounter, 2131 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 579 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=353occurred in iteration=16, InterpolantAutomatonStates: 110, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 796 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 14.1s InterpolantComputationTime, 2143 NumberOfCodeBlocks, 2143 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1825 ConstructedInterpolants, 8 QuantifiedInterpolants, 9809 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1598 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 19 InterpolantComputations, 15 PerfectInterpolantSequences, 3988/4180 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 11:26:30,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 642511f0cc57b1630f0ad0545fc5a6d0fb09b97407825981361747f93de7622e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:26:32,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:26:32,899 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 11:26:32,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:26:32,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:26:32,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:26:32,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:26:32,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:26:32,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:26:32,930 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:26:32,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:26:32,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:26:32,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:26:32,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:26:32,931 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:26:32,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:26:32,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:26:32,931 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:26:32,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:26:32,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:26:32,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:26:32,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:26:32,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:26:32,931 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:26:32,932 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 11:26:32,932 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 11:26:32,932 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:26:32,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:26:32,932 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:26:32,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:26:32,932 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:26:32,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:26:32,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:26:32,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:26:32,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:26:32,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:26:32,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:26:32,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:26:32,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:26:32,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:26:32,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:26:32,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:26:32,933 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:26:32,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:26:32,933 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 11:26:32,933 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 11:26:32,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:26:32,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:26:32,933 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:26:32,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:26:32,934 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_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 -> 642511f0cc57b1630f0ad0545fc5a6d0fb09b97407825981361747f93de7622e [2024-12-02 11:26:33,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:26:33,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:26:33,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:26:33,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:26:33,193 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:26:33,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i [2024-12-02 11:26:35,884 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/data/015310c6d/7c00518d8b764a0e84dd50da3a4dd7e0/FLAG8d0e95a81 [2024-12-02 11:26:36,049 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:26:36,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i [2024-12-02 11:26:36,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/data/015310c6d/7c00518d8b764a0e84dd50da3a4dd7e0/FLAG8d0e95a81 [2024-12-02 11:26:36,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/data/015310c6d/7c00518d8b764a0e84dd50da3a4dd7e0 [2024-12-02 11:26:36,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:26:36,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:26:36,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:26:36,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:26:36,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:26:36,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb57549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36, skipping insertion in model container [2024-12-02 11:26:36,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:26:36,194 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_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i[917,930] [2024-12-02 11:26:36,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:26:36,253 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:26:36,262 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_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i[917,930] [2024-12-02 11:26:36,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:26:36,304 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:26:36,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36 WrapperNode [2024-12-02 11:26:36,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:26:36,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:26:36,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:26:36,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:26:36,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,348 INFO L138 Inliner]: procedures = 33, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 422 [2024-12-02 11:26:36,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:26:36,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:26:36,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:26:36,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:26:36,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,362 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,381 INFO L175 MemorySlicer]: Split 110 memory accesses to 5 slices as follows [2, 20, 22, 33, 33]. 30 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 2, 2, 4, 2]. The 16 writes are split as follows [0, 2, 5, 6, 3]. [2024-12-02 11:26:36,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,399 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:26:36,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:26:36,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:26:36,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:26:36,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (1/1) ... [2024-12-02 11:26:36,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:26:36,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:26:36,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:26:36,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:26:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:26:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 11:26:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 11:26:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 11:26:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 11:26:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 11:26:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 11:26:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 11:26:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 11:26:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 11:26:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 11:26:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 11:26:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 11:26:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 11:26:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 11:26:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 11:26:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 11:26:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 11:26:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 11:26:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 11:26:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 11:26:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:26:36,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:26:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:26:36,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:26:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 11:26:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 11:26:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 11:26:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 11:26:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 11:26:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 11:26:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 11:26:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 11:26:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 11:26:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 11:26:36,600 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:26:36,602 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:26:37,162 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-12-02 11:26:37,162 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:26:37,172 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:26:37,173 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:26:37,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:26:37 BoogieIcfgContainer [2024-12-02 11:26:37,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:26:37,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:26:37,175 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:26:37,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:26:37,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:26:36" (1/3) ... [2024-12-02 11:26:37,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ecd14bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:26:37, skipping insertion in model container [2024-12-02 11:26:37,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:36" (2/3) ... [2024-12-02 11:26:37,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ecd14bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:26:37, skipping insertion in model container [2024-12-02 11:26:37,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:26:37" (3/3) ... [2024-12-02 11:26:37,182 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-31.i [2024-12-02 11:26:37,194 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:26:37,195 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-31.i that has 2 procedures, 87 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:26:37,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:26:37,252 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;@52b87326, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:26:37,252 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:26:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:26:37,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 11:26:37,262 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:37,263 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:37,263 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:37,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:37,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1922605135, now seen corresponding path program 1 times [2024-12-02 11:26:37,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:26:37,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951746389] [2024-12-02 11:26:37,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:37,277 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 11:26:37,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:26:37,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:37,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:37,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:26:37,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:26:37,606 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 11:26:37,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:26:37,607 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:26:37,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951746389] [2024-12-02 11:26:37,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [951746389] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:37,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:37,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:26:37,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144393231] [2024-12-02 11:26:37,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:37,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:26:37,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:26:37,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:26:37,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:26:37,635 INFO L87 Difference]: Start difference. First operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:37,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:37,659 INFO L93 Difference]: Finished difference Result 164 states and 256 transitions. [2024-12-02 11:26:37,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:26:37,661 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2024-12-02 11:26:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:37,667 INFO L225 Difference]: With dead ends: 164 [2024-12-02 11:26:37,667 INFO L226 Difference]: Without dead ends: 80 [2024-12-02 11:26:37,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 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 11:26:37,673 INFO L435 NwaCegarLoop]: 114 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, 114 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 11:26:37,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:26:37,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-12-02 11:26:37,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-12-02 11:26:37,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:26:37,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2024-12-02 11:26:37,711 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 94 [2024-12-02 11:26:37,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:37,712 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2024-12-02 11:26:37,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2024-12-02 11:26:37,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 11:26:37,715 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:37,715 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:37,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:37,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:37,916 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:37,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:37,917 INFO L85 PathProgramCache]: Analyzing trace with hash 434162283, now seen corresponding path program 1 times [2024-12-02 11:26:37,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:26:37,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832789590] [2024-12-02 11:26:37,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:37,918 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 11:26:37,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:26:37,920 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:37,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:38,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:26:38,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:26:38,248 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 17 treesize of output 9 [2024-12-02 11:26:38,283 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:38,283 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:26:38,284 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:26:38,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832789590] [2024-12-02 11:26:38,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832789590] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:38,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:38,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:26:38,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633131548] [2024-12-02 11:26:38,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:38,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:26:38,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:26:38,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:26:38,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:26:38,287 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:38,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:38,314 INFO L93 Difference]: Finished difference Result 157 states and 225 transitions. [2024-12-02 11:26:38,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:26:38,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2024-12-02 11:26:38,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:38,316 INFO L225 Difference]: With dead ends: 157 [2024-12-02 11:26:38,316 INFO L226 Difference]: Without dead ends: 80 [2024-12-02 11:26:38,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:26:38,317 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:38,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:26:38,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-12-02 11:26:38,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-12-02 11:26:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 67 states have (on average 1.3582089552238805) internal successors, (91), 67 states have internal predecessors, (91), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 11:26:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2024-12-02 11:26:38,326 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 94 [2024-12-02 11:26:38,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:38,328 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2024-12-02 11:26:38,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2024-12-02 11:26:38,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 11:26:38,330 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:38,330 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:38,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:38,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:38,531 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:38,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:38,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1154185619, now seen corresponding path program 1 times [2024-12-02 11:26:38,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:26:38,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714370559] [2024-12-02 11:26:38,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:38,532 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 11:26:38,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:26:38,534 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:38,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:38,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 11:26:38,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:26:41,313 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 23 treesize of output 11 [2024-12-02 11:26:41,403 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 34 treesize of output 29 [2024-12-02 11:26:41,630 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 121 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 11:26:41,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:26:41,738 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 34 treesize of output 30 [2024-12-02 11:26:42,049 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:26:42,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1714370559] [2024-12-02 11:26:42,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1714370559] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:26:42,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [366791770] [2024-12-02 11:26:42,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:42,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:26:42,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:26:42,060 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:26:42,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-02 11:26:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:42,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 11:26:42,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:26:44,456 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 11:26:45,481 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 32 treesize of output 16 [2024-12-02 11:26:45,634 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 43 treesize of output 34 [2024-12-02 11:26:45,856 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 121 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 11:26:45,857 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:26:45,882 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 34 treesize of output 30 [2024-12-02 11:26:47,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [366791770] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:26:47,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:26:47,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 22 [2024-12-02 11:26:47,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335927450] [2024-12-02 11:26:47,683 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:26:47,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 11:26:47,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:26:47,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 11:26:47,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2024-12-02 11:26:47,685 INFO L87 Difference]: Start difference. First operand 80 states and 113 transitions. Second operand has 23 states, 21 states have (on average 4.095238095238095) internal successors, (86), 20 states have internal predecessors, (86), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 11:26:58,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:58,276 INFO L93 Difference]: Finished difference Result 472 states and 653 transitions. [2024-12-02 11:26:58,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-02 11:26:58,277 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 4.095238095238095) internal successors, (86), 20 states have internal predecessors, (86), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 94 [2024-12-02 11:26:58,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:58,280 INFO L225 Difference]: With dead ends: 472 [2024-12-02 11:26:58,280 INFO L226 Difference]: Without dead ends: 395 [2024-12-02 11:26:58,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 201 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1518 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=967, Invalid=4145, Unknown=0, NotChecked=0, Total=5112 [2024-12-02 11:26:58,284 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 1405 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1405 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:58,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1405 Valid, 1077 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 11:26:58,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-12-02 11:26:58,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 194. [2024-12-02 11:26:58,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 158 states have (on average 1.3291139240506329) internal successors, (210), 159 states have internal predecessors, (210), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-12-02 11:26:58,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 268 transitions. [2024-12-02 11:26:58,323 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 268 transitions. Word has length 94 [2024-12-02 11:26:58,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:58,323 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 268 transitions. [2024-12-02 11:26:58,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 4.095238095238095) internal successors, (86), 20 states have internal predecessors, (86), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 11:26:58,323 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 268 transitions. [2024-12-02 11:26:58,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 11:26:58,325 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:58,325 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:58,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-02 11:26:58,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:58,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:58,726 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:58,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:58,727 INFO L85 PathProgramCache]: Analyzing trace with hash -463624664, now seen corresponding path program 1 times [2024-12-02 11:26:58,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:26:58,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447107721] [2024-12-02 11:26:58,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:58,727 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 11:26:58,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:26:58,729 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:58,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:59,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:26:59,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:26:59,022 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 17 treesize of output 9 [2024-12-02 11:26:59,046 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:26:59,046 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:26:59,046 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:26:59,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447107721] [2024-12-02 11:26:59,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447107721] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:26:59,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:26:59,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:26:59,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389840977] [2024-12-02 11:26:59,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:26:59,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:26:59,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:26:59,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:26:59,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:26:59,049 INFO L87 Difference]: Start difference. First operand 194 states and 268 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:59,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:26:59,095 INFO L93 Difference]: Finished difference Result 329 states and 457 transitions. [2024-12-02 11:26:59,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:26:59,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-12-02 11:26:59,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:26:59,098 INFO L225 Difference]: With dead ends: 329 [2024-12-02 11:26:59,098 INFO L226 Difference]: Without dead ends: 194 [2024-12-02 11:26:59,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:26:59,099 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:26:59,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:26:59,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-12-02 11:26:59,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-12-02 11:26:59,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 158 states have (on average 1.3164556962025316) internal successors, (208), 159 states have internal predecessors, (208), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-12-02 11:26:59,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 266 transitions. [2024-12-02 11:26:59,141 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 266 transitions. Word has length 96 [2024-12-02 11:26:59,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:26:59,141 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 266 transitions. [2024-12-02 11:26:59,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:26:59,141 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 266 transitions. [2024-12-02 11:26:59,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 11:26:59,142 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:26:59,143 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:59,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:59,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:59,343 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:26:59,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:26:59,344 INFO L85 PathProgramCache]: Analyzing trace with hash -856651674, now seen corresponding path program 1 times [2024-12-02 11:26:59,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:26:59,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365910281] [2024-12-02 11:26:59,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:26:59,344 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 11:26:59,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:26:59,346 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:59,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:26:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:26:59,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 11:26:59,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:27:01,421 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 24 treesize of output 24 [2024-12-02 11:27:01,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2024-12-02 11:27:01,952 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 104 treesize of output 84 [2024-12-02 11:27:01,964 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:27:01,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 52 [2024-12-02 11:27:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:27:02,050 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:27:02,050 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:27:02,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365910281] [2024-12-02 11:27:02,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365910281] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:27:02,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:27:02,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:27:02,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962177412] [2024-12-02 11:27:02,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:02,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:27:02,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:27:02,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:27:02,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:27:02,052 INFO L87 Difference]: Start difference. First operand 194 states and 266 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:05,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:27:05,197 INFO L93 Difference]: Finished difference Result 392 states and 534 transitions. [2024-12-02 11:27:05,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 11:27:05,199 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-12-02 11:27:05,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:27:05,200 INFO L225 Difference]: With dead ends: 392 [2024-12-02 11:27:05,200 INFO L226 Difference]: Without dead ends: 257 [2024-12-02 11:27:05,200 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:27:05,201 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 234 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:27:05,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 755 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 11:27:05,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-12-02 11:27:05,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 206. [2024-12-02 11:27:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 168 states have (on average 1.2976190476190477) internal successors, (218), 169 states have internal predecessors, (218), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-12-02 11:27:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 276 transitions. [2024-12-02 11:27:05,233 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 276 transitions. Word has length 96 [2024-12-02 11:27:05,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:27:05,233 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 276 transitions. [2024-12-02 11:27:05,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 276 transitions. [2024-12-02 11:27:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 11:27:05,235 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:27:05,235 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:05,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:05,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:05,435 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:27:05,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:05,436 INFO L85 PathProgramCache]: Analyzing trace with hash 916608243, now seen corresponding path program 1 times [2024-12-02 11:27:05,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:27:05,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729863434] [2024-12-02 11:27:05,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:05,436 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 11:27:05,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:27:05,438 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:05,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:05,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:27:05,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:27:05,663 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:27:05,663 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:27:05,663 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:27:05,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729863434] [2024-12-02 11:27:05,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729863434] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:27:05,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:27:05,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:27:05,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591794027] [2024-12-02 11:27:05,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:05,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:27:05,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:27:05,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:27:05,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:27:05,665 INFO L87 Difference]: Start difference. First operand 206 states and 276 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:05,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:27:05,701 INFO L93 Difference]: Finished difference Result 357 states and 480 transitions. [2024-12-02 11:27:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:27:05,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-12-02 11:27:05,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:27:05,703 INFO L225 Difference]: With dead ends: 357 [2024-12-02 11:27:05,703 INFO L226 Difference]: Without dead ends: 208 [2024-12-02 11:27:05,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:27:05,704 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:27:05,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:27:05,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-12-02 11:27:05,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-12-02 11:27:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 170 states have (on average 1.2941176470588236) internal successors, (220), 171 states have internal predecessors, (220), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-12-02 11:27:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 278 transitions. [2024-12-02 11:27:05,724 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 278 transitions. Word has length 96 [2024-12-02 11:27:05,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:27:05,725 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 278 transitions. [2024-12-02 11:27:05,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:05,725 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 278 transitions. [2024-12-02 11:27:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 11:27:05,726 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:27:05,727 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:05,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:05,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:05,927 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:27:05,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:05,927 INFO L85 PathProgramCache]: Analyzing trace with hash 329802229, now seen corresponding path program 1 times [2024-12-02 11:27:05,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:27:05,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334534024] [2024-12-02 11:27:05,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:05,928 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:27:05,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:27:05,929 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:05,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:06,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 11:27:06,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:27:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 117 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 11:27:06,718 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:27:06,849 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:27:06,850 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:27:06,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334534024] [2024-12-02 11:27:06,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [334534024] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:27:06,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:27:06,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 11:27:06,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387660512] [2024-12-02 11:27:06,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:06,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:27:06,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:27:06,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:27:06,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:27:06,851 INFO L87 Difference]: Start difference. First operand 208 states and 278 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:07,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:27:07,004 INFO L93 Difference]: Finished difference Result 388 states and 518 transitions. [2024-12-02 11:27:07,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:27:07,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-12-02 11:27:07,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:27:07,006 INFO L225 Difference]: With dead ends: 388 [2024-12-02 11:27:07,006 INFO L226 Difference]: Without dead ends: 240 [2024-12-02 11:27:07,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 11:27:07,008 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 90 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:27:07,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 370 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:27:07,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-12-02 11:27:07,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 208. [2024-12-02 11:27:07,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 170 states have (on average 1.2823529411764707) internal successors, (218), 171 states have internal predecessors, (218), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-12-02 11:27:07,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 276 transitions. [2024-12-02 11:27:07,041 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 276 transitions. Word has length 96 [2024-12-02 11:27:07,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:27:07,041 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 276 transitions. [2024-12-02 11:27:07,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:07,041 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 276 transitions. [2024-12-02 11:27:07,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 11:27:07,042 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:27:07,042 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:07,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:07,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:07,243 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:27:07,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:07,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1874819353, now seen corresponding path program 1 times [2024-12-02 11:27:07,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:27:07,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290503701] [2024-12-02 11:27:07,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:07,244 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 11:27:07,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:27:07,245 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:07,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:07,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 11:27:07,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:27:08,053 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 11:27:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 117 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 11:27:08,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:27:08,302 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:27:08,302 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:27:08,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290503701] [2024-12-02 11:27:08,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290503701] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:27:08,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:27:08,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-12-02 11:27:08,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89067787] [2024-12-02 11:27:08,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:08,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:27:08,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:27:08,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:27:08,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:27:08,304 INFO L87 Difference]: Start difference. First operand 208 states and 276 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:08,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:27:08,487 INFO L93 Difference]: Finished difference Result 381 states and 504 transitions. [2024-12-02 11:27:08,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:27:08,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 97 [2024-12-02 11:27:08,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:27:08,489 INFO L225 Difference]: With dead ends: 381 [2024-12-02 11:27:08,489 INFO L226 Difference]: Without dead ends: 233 [2024-12-02 11:27:08,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 11:27:08,490 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 34 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:27:08,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 398 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:27:08,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-12-02 11:27:08,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 208. [2024-12-02 11:27:08,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 170 states have (on average 1.276470588235294) internal successors, (217), 171 states have internal predecessors, (217), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-12-02 11:27:08,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 275 transitions. [2024-12-02 11:27:08,525 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 275 transitions. Word has length 97 [2024-12-02 11:27:08,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:27:08,526 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 275 transitions. [2024-12-02 11:27:08,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:08,526 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 275 transitions. [2024-12-02 11:27:08,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 11:27:08,527 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:27:08,527 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:08,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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)] Forceful destruction successful, exit code 0 [2024-12-02 11:27:08,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:08,728 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:27:08,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:08,728 INFO L85 PathProgramCache]: Analyzing trace with hash -421311151, now seen corresponding path program 1 times [2024-12-02 11:27:08,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:27:08,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574059121] [2024-12-02 11:27:08,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:08,728 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 11:27:08,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:27:08,730 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:08,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:09,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 11:27:09,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:27:10,376 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 11:27:10,625 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 17 treesize of output 17 [2024-12-02 11:27:10,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:27:10,941 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 54 treesize of output 30 [2024-12-02 11:27:10,997 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 11:27:10,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:27:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:27:11,205 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:27:11,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574059121] [2024-12-02 11:27:11,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574059121] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:27:11,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:27:11,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2024-12-02 11:27:11,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894914817] [2024-12-02 11:27:11,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:11,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:27:11,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:27:11,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:27:11,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:27:11,207 INFO L87 Difference]: Start difference. First operand 208 states and 275 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:11,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:27:11,590 INFO L93 Difference]: Finished difference Result 489 states and 643 transitions. [2024-12-02 11:27:11,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:27:11,591 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 98 [2024-12-02 11:27:11,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:27:11,592 INFO L225 Difference]: With dead ends: 489 [2024-12-02 11:27:11,592 INFO L226 Difference]: Without dead ends: 348 [2024-12-02 11:27:11,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:27:11,593 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 87 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:27:11,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 634 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 11:27:11,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-12-02 11:27:11,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 345. [2024-12-02 11:27:11,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 286 states have (on average 1.2727272727272727) internal successors, (364), 289 states have internal predecessors, (364), 45 states have call successors, (45), 13 states have call predecessors, (45), 13 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 11:27:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 454 transitions. [2024-12-02 11:27:11,629 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 454 transitions. Word has length 98 [2024-12-02 11:27:11,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:27:11,630 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 454 transitions. [2024-12-02 11:27:11,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:11,630 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 454 transitions. [2024-12-02 11:27:11,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 11:27:11,630 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:27:11,630 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:11,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:11,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:11,831 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:27:11,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:11,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1036545903, now seen corresponding path program 1 times [2024-12-02 11:27:11,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:27:11,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001150249] [2024-12-02 11:27:11,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:11,832 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 11:27:11,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:27:11,833 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:11,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:12,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:27:12,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:27:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:27:12,138 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:27:12,138 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:27:12,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001150249] [2024-12-02 11:27:12,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001150249] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:27:12,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:27:12,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:27:12,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421454132] [2024-12-02 11:27:12,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:12,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:27:12,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:27:12,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:27:12,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:27:12,139 INFO L87 Difference]: Start difference. First operand 345 states and 454 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:12,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:27:12,367 INFO L93 Difference]: Finished difference Result 736 states and 969 transitions. [2024-12-02 11:27:12,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:27:12,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-12-02 11:27:12,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:27:12,369 INFO L225 Difference]: With dead ends: 736 [2024-12-02 11:27:12,369 INFO L226 Difference]: Without dead ends: 452 [2024-12-02 11:27:12,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:27:12,370 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 42 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:27:12,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 451 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:27:12,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-12-02 11:27:12,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 357. [2024-12-02 11:27:12,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 298 states have (on average 1.261744966442953) internal successors, (376), 301 states have internal predecessors, (376), 45 states have call successors, (45), 13 states have call predecessors, (45), 13 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 11:27:12,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 466 transitions. [2024-12-02 11:27:12,414 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 466 transitions. Word has length 99 [2024-12-02 11:27:12,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:27:12,414 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 466 transitions. [2024-12-02 11:27:12,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:12,414 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 466 transitions. [2024-12-02 11:27:12,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 11:27:12,415 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:27:12,415 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:12,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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)] Forceful destruction successful, exit code 0 [2024-12-02 11:27:12,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:12,616 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:27:12,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:12,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1365186479, now seen corresponding path program 1 times [2024-12-02 11:27:12,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:27:12,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643747176] [2024-12-02 11:27:12,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:12,617 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 11:27:12,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:27:12,618 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:12,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:12,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:27:12,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:27:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:27:12,842 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:27:12,842 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:27:12,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643747176] [2024-12-02 11:27:12,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643747176] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:27:12,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:27:12,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:27:12,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538625358] [2024-12-02 11:27:12,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:12,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:27:12,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:27:12,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:27:12,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:27:12,843 INFO L87 Difference]: Start difference. First operand 357 states and 466 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:12,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:27:12,939 INFO L93 Difference]: Finished difference Result 654 states and 853 transitions. [2024-12-02 11:27:12,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:27:12,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-12-02 11:27:12,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:27:12,941 INFO L225 Difference]: With dead ends: 654 [2024-12-02 11:27:12,941 INFO L226 Difference]: Without dead ends: 366 [2024-12-02 11:27:12,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 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 11:27:12,943 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:27:12,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 426 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:27:12,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-12-02 11:27:13,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 364. [2024-12-02 11:27:13,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 305 states have (on average 1.2557377049180327) internal successors, (383), 308 states have internal predecessors, (383), 45 states have call successors, (45), 13 states have call predecessors, (45), 13 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 11:27:13,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 473 transitions. [2024-12-02 11:27:13,004 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 473 transitions. Word has length 99 [2024-12-02 11:27:13,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:27:13,004 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 473 transitions. [2024-12-02 11:27:13,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:13,004 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 473 transitions. [2024-12-02 11:27:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 11:27:13,005 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:27:13,005 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:13,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:13,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:13,206 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:27:13,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:13,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1572870353, now seen corresponding path program 1 times [2024-12-02 11:27:13,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:27:13,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730852021] [2024-12-02 11:27:13,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:13,206 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 11:27:13,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:27:13,208 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:13,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:13,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 11:27:13,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:27:15,213 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 23 treesize of output 11 [2024-12-02 11:27:15,277 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 31 treesize of output 19 [2024-12-02 11:27:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 121 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 11:27:15,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:27:15,505 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:27:15,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730852021] [2024-12-02 11:27:15,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730852021] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:27:15,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1638035193] [2024-12-02 11:27:15,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:15,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:27:15,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:27:15,507 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:27:15,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-02 11:27:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:16,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 11:27:16,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:27:18,203 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 11:27:19,002 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 11:27:19,138 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 15 treesize of output 15 [2024-12-02 11:27:19,394 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 11:27:19,395 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:27:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:27:19,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1638035193] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:27:19,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:27:19,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 8] total 20 [2024-12-02 11:27:19,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134025751] [2024-12-02 11:27:19,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:19,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:27:19,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:27:19,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:27:19,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-12-02 11:27:19,621 INFO L87 Difference]: Start difference. First operand 364 states and 473 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:20,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:27:20,013 INFO L93 Difference]: Finished difference Result 827 states and 1073 transitions. [2024-12-02 11:27:20,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 11:27:20,013 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-12-02 11:27:20,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:27:20,016 INFO L225 Difference]: With dead ends: 827 [2024-12-02 11:27:20,016 INFO L226 Difference]: Without dead ends: 533 [2024-12-02 11:27:20,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2024-12-02 11:27:20,017 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 62 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:27:20,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 724 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:27:20,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-12-02 11:27:20,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 376. [2024-12-02 11:27:20,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 317 states have (on average 1.2649842271293374) internal successors, (401), 320 states have internal predecessors, (401), 45 states have call successors, (45), 13 states have call predecessors, (45), 13 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 11:27:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 491 transitions. [2024-12-02 11:27:20,072 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 491 transitions. Word has length 99 [2024-12-02 11:27:20,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:27:20,072 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 491 transitions. [2024-12-02 11:27:20,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:20,072 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 491 transitions. [2024-12-02 11:27:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 11:27:20,073 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:27:20,073 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:20,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:20,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-02 11:27:20,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 11:27:20,474 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:27:20,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:20,474 INFO L85 PathProgramCache]: Analyzing trace with hash 551801999, now seen corresponding path program 1 times [2024-12-02 11:27:20,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:27:20,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404088203] [2024-12-02 11:27:20,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:20,475 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 11:27:20,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:27:20,476 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:20,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:20,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:27:20,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:27:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:27:20,836 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:27:20,836 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:27:20,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404088203] [2024-12-02 11:27:20,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [404088203] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:27:20,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:27:20,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:27:20,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880979662] [2024-12-02 11:27:20,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:20,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:27:20,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:27:20,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:27:20,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:27:20,838 INFO L87 Difference]: Start difference. First operand 376 states and 491 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:21,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:27:21,204 INFO L93 Difference]: Finished difference Result 816 states and 1057 transitions. [2024-12-02 11:27:21,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:27:21,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-12-02 11:27:21,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:27:21,208 INFO L225 Difference]: With dead ends: 816 [2024-12-02 11:27:21,208 INFO L226 Difference]: Without dead ends: 511 [2024-12-02 11:27:21,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:27:21,209 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 64 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:27:21,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 443 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 11:27:21,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-12-02 11:27:21,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 362. [2024-12-02 11:27:21,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 302 states have (on average 1.2483443708609272) internal successors, (377), 305 states have internal predecessors, (377), 45 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 11:27:21,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 467 transitions. [2024-12-02 11:27:21,243 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 467 transitions. Word has length 99 [2024-12-02 11:27:21,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:27:21,243 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 467 transitions. [2024-12-02 11:27:21,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:27:21,243 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 467 transitions. [2024-12-02 11:27:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 11:27:21,243 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:27:21,244 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:21,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:21,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:21,444 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:27:21,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:21,444 INFO L85 PathProgramCache]: Analyzing trace with hash -2001270962, now seen corresponding path program 1 times [2024-12-02 11:27:21,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:27:21,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542769522] [2024-12-02 11:27:21,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:21,445 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 11:27:21,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:27:21,446 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:21,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:27:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:21,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 11:27:21,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:27:22,206 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 7 treesize of output 3 [2024-12-02 11:27:27,922 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 23 treesize of output 22 [2024-12-02 11:27:29,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 24 [2024-12-02 11:27:30,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:27:30,539 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 62 treesize of output 44 [2024-12-02 11:27:30,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49 [2024-12-02 11:27:31,109 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:27:31,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 37 [2024-12-02 11:27:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 131 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-12-02 11:27:31,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:27:44,661 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:27:44,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542769522] [2024-12-02 11:27:44,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542769522] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:27:44,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [807370338] [2024-12-02 11:27:44,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:44,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:27:44,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:27:44,663 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:27:44,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-02 11:27:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:45,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-02 11:27:45,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:27:51,473 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 23 treesize of output 11 [2024-12-02 11:27:53,137 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 23 treesize of output 11 [2024-12-02 11:27:56,047 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 21 treesize of output 20 [2024-12-02 11:27:59,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2024-12-02 11:27:59,986 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 0 case distinctions, treesize of input 63 treesize of output 47 [2024-12-02 11:27:59,995 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 62 treesize of output 55 [2024-12-02 11:28:00,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 36 [2024-12-02 11:28:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 131 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-12-02 11:28:01,166 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:28:20,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [807370338] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:28:20,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:28:20,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 29 [2024-12-02 11:28:20,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314562606] [2024-12-02 11:28:20,995 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:28:20,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-12-02 11:28:20,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:28:20,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-12-02 11:28:20,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=1493, Unknown=3, NotChecked=0, Total=1722 [2024-12-02 11:28:20,997 INFO L87 Difference]: Start difference. First operand 362 states and 467 transitions. Second operand has 30 states, 28 states have (on average 3.75) internal successors, (105), 27 states have internal predecessors, (105), 8 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 6 states have call predecessors, (22), 8 states have call successors, (22) [2024-12-02 11:28:34,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:34,434 INFO L93 Difference]: Finished difference Result 808 states and 1036 transitions. [2024-12-02 11:28:34,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-12-02 11:28:34,436 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 3.75) internal successors, (105), 27 states have internal predecessors, (105), 8 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 6 states have call predecessors, (22), 8 states have call successors, (22) Word has length 99 [2024-12-02 11:28:34,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:34,438 INFO L225 Difference]: With dead ends: 808 [2024-12-02 11:28:34,438 INFO L226 Difference]: Without dead ends: 520 [2024-12-02 11:28:34,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1148 ImplicationChecksByTransitivity, 43.1s TimeCoverageRelationStatistics Valid=830, Invalid=3723, Unknown=3, NotChecked=0, Total=4556 [2024-12-02 11:28:34,440 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 915 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 2219 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:34,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 2219 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-12-02 11:28:34,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-12-02 11:28:34,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 407. [2024-12-02 11:28:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 346 states have (on average 1.245664739884393) internal successors, (431), 349 states have internal predecessors, (431), 45 states have call successors, (45), 15 states have call predecessors, (45), 15 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 11:28:34,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 521 transitions. [2024-12-02 11:28:34,482 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 521 transitions. Word has length 99 [2024-12-02 11:28:34,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:34,482 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 521 transitions. [2024-12-02 11:28:34,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 3.75) internal successors, (105), 27 states have internal predecessors, (105), 8 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 6 states have call predecessors, (22), 8 states have call successors, (22) [2024-12-02 11:28:34,482 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 521 transitions. [2024-12-02 11:28:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 11:28:34,483 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:34,483 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:34,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-02 11:28:34,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:34,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:34,884 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:34,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:34,884 INFO L85 PathProgramCache]: Analyzing trace with hash 325744351, now seen corresponding path program 1 times [2024-12-02 11:28:34,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:28:34,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503546682] [2024-12-02 11:28:34,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:34,885 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 11:28:34,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:28:34,886 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:34,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (19)] Waiting until timeout for monitored process [2024-12-02 11:28:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:35,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:28:35,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:28:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:28:35,195 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:28:35,195 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:28:35,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503546682] [2024-12-02 11:28:35,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503546682] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:35,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:35,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:28:35,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373510419] [2024-12-02 11:28:35,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:35,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:28:35,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:28:35,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:28:35,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:28:35,196 INFO L87 Difference]: Start difference. First operand 407 states and 521 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:28:35,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:35,344 INFO L93 Difference]: Finished difference Result 701 states and 901 transitions. [2024-12-02 11:28:35,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:28:35,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 100 [2024-12-02 11:28:35,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:35,347 INFO L225 Difference]: With dead ends: 701 [2024-12-02 11:28:35,347 INFO L226 Difference]: Without dead ends: 413 [2024-12-02 11:28:35,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:28:35,348 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:35,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 522 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:28:35,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-12-02 11:28:35,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2024-12-02 11:28:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 346 states have (on average 1.239884393063584) internal successors, (429), 349 states have internal predecessors, (429), 45 states have call successors, (45), 15 states have call predecessors, (45), 15 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 11:28:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 519 transitions. [2024-12-02 11:28:35,412 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 519 transitions. Word has length 100 [2024-12-02 11:28:35,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:35,413 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 519 transitions. [2024-12-02 11:28:35,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:28:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 519 transitions. [2024-12-02 11:28:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 11:28:35,414 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:35,414 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:35,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (19)] Ended with exit code 0 [2024-12-02 11:28:35,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:35,614 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:35,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:35,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1298355466, now seen corresponding path program 1 times [2024-12-02 11:28:35,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:28:35,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [700457392] [2024-12-02 11:28:35,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:35,615 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 11:28:35,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:28:35,616 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:35,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:35,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 11:28:35,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:28:37,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-12-02 11:28:40,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 96 [2024-12-02 11:28:41,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:28:41,515 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 291 treesize of output 147 [2024-12-02 11:28:41,785 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 11:28:41,785 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:28:42,941 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:28:42,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [700457392] [2024-12-02 11:28:42,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [700457392] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:28:42,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [431291295] [2024-12-02 11:28:42,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:42,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:28:42,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:28:42,943 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:28:42,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-02 11:28:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:44,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 11:28:44,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:28:45,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-12-02 11:28:49,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 96 [2024-12-02 11:28:50,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 147 [2024-12-02 11:28:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 11:28:50,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:28:51,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [431291295] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:28:51,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:28:51,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2024-12-02 11:28:51,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666747017] [2024-12-02 11:28:51,683 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:28:51,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 11:28:51,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:28:51,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 11:28:51,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2024-12-02 11:28:51,684 INFO L87 Difference]: Start difference. First operand 407 states and 519 transitions. Second operand has 18 states, 18 states have (on average 5.388888888888889) internal successors, (97), 17 states have internal predecessors, (97), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 11:28:57,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:57,196 INFO L93 Difference]: Finished difference Result 1048 states and 1322 transitions. [2024-12-02 11:28:57,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 11:28:57,197 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.388888888888889) internal successors, (97), 17 states have internal predecessors, (97), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 100 [2024-12-02 11:28:57,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:57,200 INFO L225 Difference]: With dead ends: 1048 [2024-12-02 11:28:57,200 INFO L226 Difference]: Without dead ends: 1046 [2024-12-02 11:28:57,200 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2024-12-02 11:28:57,200 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 407 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:57,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 971 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-12-02 11:28:57,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2024-12-02 11:28:57,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 1034. [2024-12-02 11:28:57,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 897 states have (on average 1.229654403567447) internal successors, (1103), 911 states have internal predecessors, (1103), 102 states have call successors, (102), 34 states have call predecessors, (102), 34 states have return successors, (102), 88 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 11:28:57,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1307 transitions. [2024-12-02 11:28:57,358 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1307 transitions. Word has length 100 [2024-12-02 11:28:57,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:57,358 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1307 transitions. [2024-12-02 11:28:57,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.388888888888889) internal successors, (97), 17 states have internal predecessors, (97), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 11:28:57,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1307 transitions. [2024-12-02 11:28:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 11:28:57,359 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:57,359 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:57,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-02 11:28:57,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:57,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:57,760 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:57,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:57,760 INFO L85 PathProgramCache]: Analyzing trace with hash 2029261176, now seen corresponding path program 1 times [2024-12-02 11:28:57,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:28:57,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412820843] [2024-12-02 11:28:57,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:57,761 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 11:28:57,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:28:57,762 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:57,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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)] Waiting until timeout for monitored process [2024-12-02 11:28:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:57,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:28:57,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:28:58,003 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 11:28:58,003 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:28:58,003 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:28:58,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412820843] [2024-12-02 11:28:58,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412820843] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:58,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:58,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:28:58,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797067099] [2024-12-02 11:28:58,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:58,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:28:58,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:28:58,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:28:58,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:28:58,004 INFO L87 Difference]: Start difference. First operand 1034 states and 1307 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:28:58,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:58,206 INFO L93 Difference]: Finished difference Result 1897 states and 2400 transitions. [2024-12-02 11:28:58,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:28:58,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2024-12-02 11:28:58,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:58,209 INFO L225 Difference]: With dead ends: 1897 [2024-12-02 11:28:58,209 INFO L226 Difference]: Without dead ends: 1034 [2024-12-02 11:28:58,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 97 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 11:28:58,211 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:58,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 316 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:28:58,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-12-02 11:28:58,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2024-12-02 11:28:58,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 897 states have (on average 1.2240802675585285) internal successors, (1098), 911 states have internal predecessors, (1098), 102 states have call successors, (102), 34 states have call predecessors, (102), 34 states have return successors, (102), 88 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 11:28:58,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1302 transitions. [2024-12-02 11:28:58,409 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1302 transitions. Word has length 100 [2024-12-02 11:28:58,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:58,409 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1302 transitions. [2024-12-02 11:28:58,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:28:58,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1302 transitions. [2024-12-02 11:28:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 11:28:58,410 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:58,411 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:58,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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)] Ended with exit code 0 [2024-12-02 11:28:58,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:58,611 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:58,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:58,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1855279878, now seen corresponding path program 1 times [2024-12-02 11:28:58,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:28:58,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [566912191] [2024-12-02 11:28:58,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:58,612 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 11:28:58,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:28:58,613 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:58,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:58,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:28:58,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:28:58,923 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-12-02 11:28:58,923 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:28:58,923 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:28:58,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [566912191] [2024-12-02 11:28:58,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [566912191] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:58,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:58,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:28:58,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016187149] [2024-12-02 11:28:58,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:58,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:28:58,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:28:58,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:28:58,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:28:58,925 INFO L87 Difference]: Start difference. First operand 1034 states and 1302 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 11:28:59,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:28:59,371 INFO L93 Difference]: Finished difference Result 1936 states and 2435 transitions. [2024-12-02 11:28:59,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:28:59,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 102 [2024-12-02 11:28:59,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:28:59,375 INFO L225 Difference]: With dead ends: 1936 [2024-12-02 11:28:59,375 INFO L226 Difference]: Without dead ends: 1068 [2024-12-02 11:28:59,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:28:59,377 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:28:59,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 448 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 11:28:59,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-12-02 11:28:59,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1034. [2024-12-02 11:28:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 897 states have (on average 1.2185061315496097) internal successors, (1093), 911 states have internal predecessors, (1093), 102 states have call successors, (102), 34 states have call predecessors, (102), 34 states have return successors, (102), 88 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 11:28:59,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1297 transitions. [2024-12-02 11:28:59,519 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1297 transitions. Word has length 102 [2024-12-02 11:28:59,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:28:59,519 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1297 transitions. [2024-12-02 11:28:59,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 11:28:59,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1297 transitions. [2024-12-02 11:28:59,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 11:28:59,520 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:28:59,520 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:59,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:59,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:59,721 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:28:59,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:59,721 INFO L85 PathProgramCache]: Analyzing trace with hash 531229628, now seen corresponding path program 1 times [2024-12-02 11:28:59,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:28:59,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630308938] [2024-12-02 11:28:59,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:59,722 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:28:59,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:28:59,723 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:28:59,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:29:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:00,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 11:29:00,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:29:01,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-12-02 11:29:08,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 94 [2024-12-02 11:29:09,976 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:29:09,976 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 316 treesize of output 136 [2024-12-02 11:29:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 11:29:10,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:29:11,452 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:29:11,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630308938] [2024-12-02 11:29:11,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630308938] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:29:11,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [994012948] [2024-12-02 11:29:11,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:11,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:29:11,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:29:11,454 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:29:11,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-02 11:29:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:12,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-02 11:29:12,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:29:18,293 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 11:29:32,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 98 [2024-12-02 11:29:33,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 81 [2024-12-02 11:29:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 11:29:34,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:29:34,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [994012948] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:29:34,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:29:34,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-12-02 11:29:34,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486312563] [2024-12-02 11:29:34,828 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:29:34,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 11:29:34,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:29:34,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 11:29:34,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=809, Unknown=3, NotChecked=0, Total=930 [2024-12-02 11:29:34,829 INFO L87 Difference]: Start difference. First operand 1034 states and 1297 transitions. Second operand has 26 states, 24 states have (on average 4.458333333333333) internal successors, (107), 23 states have internal predecessors, (107), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 11:29:43,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:29:43,594 INFO L93 Difference]: Finished difference Result 1344 states and 1665 transitions. [2024-12-02 11:29:43,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 11:29:43,595 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 4.458333333333333) internal successors, (107), 23 states have internal predecessors, (107), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 102 [2024-12-02 11:29:43,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:29:43,597 INFO L225 Difference]: With dead ends: 1344 [2024-12-02 11:29:43,597 INFO L226 Difference]: Without dead ends: 1342 [2024-12-02 11:29:43,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 227 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 24.6s TimeCoverageRelationStatistics Valid=417, Invalid=1932, Unknown=3, NotChecked=0, Total=2352 [2024-12-02 11:29:43,598 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 585 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 11:29:43,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 1280 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 11:29:43,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-12-02 11:29:43,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 962. [2024-12-02 11:29:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 840 states have (on average 1.2142857142857142) internal successors, (1020), 850 states have internal predecessors, (1020), 86 states have call successors, (86), 35 states have call predecessors, (86), 35 states have return successors, (86), 76 states have call predecessors, (86), 86 states have call successors, (86) [2024-12-02 11:29:43,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1192 transitions. [2024-12-02 11:29:43,748 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1192 transitions. Word has length 102 [2024-12-02 11:29:43,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:29:43,748 INFO L471 AbstractCegarLoop]: Abstraction has 962 states and 1192 transitions. [2024-12-02 11:29:43,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 4.458333333333333) internal successors, (107), 23 states have internal predecessors, (107), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 11:29:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1192 transitions. [2024-12-02 11:29:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 11:29:43,750 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:43,750 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:29:43,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:29:43,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-02 11:29:44,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 11:29:44,151 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:44,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:44,151 INFO L85 PathProgramCache]: Analyzing trace with hash -944868170, now seen corresponding path program 1 times [2024-12-02 11:29:44,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:29:44,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1203667761] [2024-12-02 11:29:44,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:44,151 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 11:29:44,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:29:44,153 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:29:44,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:29:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:44,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 11:29:44,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:29:45,103 INFO L349 Elim1Store]: treesize reduction 24, result has 31.4 percent of original size [2024-12-02 11:29:45,103 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 1 case distinctions, treesize of input 48 treesize of output 47 [2024-12-02 11:29:46,374 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:29:46,374 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 107 treesize of output 95 [2024-12-02 11:29:46,384 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 100 treesize of output 60 [2024-12-02 11:29:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:29:46,654 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:29:46,654 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:29:46,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1203667761] [2024-12-02 11:29:46,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1203667761] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:46,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:46,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 11:29:46,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698532152] [2024-12-02 11:29:46,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:46,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 11:29:46,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:29:46,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 11:29:46,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:29:46,656 INFO L87 Difference]: Start difference. First operand 962 states and 1192 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:29:52,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:29:52,646 INFO L93 Difference]: Finished difference Result 2071 states and 2559 transitions. [2024-12-02 11:29:52,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 11:29:52,648 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 11:29:52,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:29:52,650 INFO L225 Difference]: With dead ends: 2071 [2024-12-02 11:29:52,651 INFO L226 Difference]: Without dead ends: 1385 [2024-12-02 11:29:52,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:29:52,652 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 251 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 11:29:52,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 877 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 11:29:52,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-12-02 11:29:52,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1090. [2024-12-02 11:29:52,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 940 states have (on average 1.2085106382978723) internal successors, (1136), 954 states have internal predecessors, (1136), 106 states have call successors, (106), 43 states have call predecessors, (106), 43 states have return successors, (106), 92 states have call predecessors, (106), 106 states have call successors, (106) [2024-12-02 11:29:52,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1348 transitions. [2024-12-02 11:29:52,874 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1348 transitions. Word has length 103 [2024-12-02 11:29:52,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:29:52,874 INFO L471 AbstractCegarLoop]: Abstraction has 1090 states and 1348 transitions. [2024-12-02 11:29:52,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:29:52,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1348 transitions. [2024-12-02 11:29:52,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 11:29:52,875 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:52,875 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:29:52,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:29:53,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:29:53,076 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:53,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:53,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1351234095, now seen corresponding path program 1 times [2024-12-02 11:29:53,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:29:53,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053170607] [2024-12-02 11:29:53,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:53,076 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 11:29:53,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:29:53,078 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:29:53,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:29:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:53,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 11:29:53,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:29:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 117 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 11:29:54,315 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:29:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:29:54,617 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:29:54,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053170607] [2024-12-02 11:29:54,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2053170607] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:29:54,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:29:54,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2024-12-02 11:29:54,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895680697] [2024-12-02 11:29:54,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:54,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:29:54,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:29:54,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:29:54,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 11:29:54,618 INFO L87 Difference]: Start difference. First operand 1090 states and 1348 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:29:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:29:54,939 INFO L93 Difference]: Finished difference Result 1985 states and 2453 transitions. [2024-12-02 11:29:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:29:54,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 11:29:54,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:29:54,944 INFO L225 Difference]: With dead ends: 1985 [2024-12-02 11:29:54,944 INFO L226 Difference]: Without dead ends: 1171 [2024-12-02 11:29:54,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:29:54,946 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 42 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:29:54,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 295 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:29:54,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2024-12-02 11:29:55,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1132. [2024-12-02 11:29:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 982 states have (on average 1.2006109979633401) internal successors, (1179), 996 states have internal predecessors, (1179), 106 states have call successors, (106), 43 states have call predecessors, (106), 43 states have return successors, (106), 92 states have call predecessors, (106), 106 states have call successors, (106) [2024-12-02 11:29:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1391 transitions. [2024-12-02 11:29:55,202 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1391 transitions. Word has length 103 [2024-12-02 11:29:55,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:29:55,203 INFO L471 AbstractCegarLoop]: Abstraction has 1132 states and 1391 transitions. [2024-12-02 11:29:55,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:29:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1391 transitions. [2024-12-02 11:29:55,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 11:29:55,203 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:55,203 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:29:55,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:29:55,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:29:55,404 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:55,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:55,404 INFO L85 PathProgramCache]: Analyzing trace with hash -541887469, now seen corresponding path program 1 times [2024-12-02 11:29:55,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:29:55,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875757260] [2024-12-02 11:29:55,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:55,405 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 11:29:55,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:29:55,406 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:29:55,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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)] Waiting until timeout for monitored process [2024-12-02 11:29:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:55,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 11:29:55,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:29:56,260 INFO L349 Elim1Store]: treesize reduction 24, result has 31.4 percent of original size [2024-12-02 11:29:56,261 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 1 case distinctions, treesize of input 49 treesize of output 48 [2024-12-02 11:29:57,488 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:29:57,489 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 109 treesize of output 97 [2024-12-02 11:29:57,497 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 102 treesize of output 62 [2024-12-02 11:29:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:29:57,804 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:29:57,804 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:29:57,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875757260] [2024-12-02 11:29:57,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875757260] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:57,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:57,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 11:29:57,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652931388] [2024-12-02 11:29:57,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:57,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 11:29:57,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:29:57,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 11:29:57,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:29:57,805 INFO L87 Difference]: Start difference. First operand 1132 states and 1391 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:30:03,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:30:03,235 INFO L93 Difference]: Finished difference Result 2002 states and 2441 transitions. [2024-12-02 11:30:03,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 11:30:03,236 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 11:30:03,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:30:03,238 INFO L225 Difference]: With dead ends: 2002 [2024-12-02 11:30:03,239 INFO L226 Difference]: Without dead ends: 1187 [2024-12-02 11:30:03,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:30:03,240 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 207 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 24 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:30:03,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 660 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 411 Invalid, 2 Unknown, 0 Unchecked, 4.0s Time] [2024-12-02 11:30:03,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-12-02 11:30:03,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1088. [2024-12-02 11:30:03,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 938 states have (on average 1.1897654584221748) internal successors, (1116), 952 states have internal predecessors, (1116), 106 states have call successors, (106), 43 states have call predecessors, (106), 43 states have return successors, (106), 92 states have call predecessors, (106), 106 states have call successors, (106) [2024-12-02 11:30:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1328 transitions. [2024-12-02 11:30:03,462 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1328 transitions. Word has length 103 [2024-12-02 11:30:03,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:30:03,463 INFO L471 AbstractCegarLoop]: Abstraction has 1088 states and 1328 transitions. [2024-12-02 11:30:03,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:30:03,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1328 transitions. [2024-12-02 11:30:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 11:30:03,464 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:30:03,464 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:03,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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)] Ended with exit code 0 [2024-12-02 11:30:03,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:03,665 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:30:03,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:30:03,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1812975801, now seen corresponding path program 1 times [2024-12-02 11:30:03,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:30:03,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [131724844] [2024-12-02 11:30:03,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:30:03,665 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 11:30:03,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:30:03,667 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:03,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:30:04,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 11:30:04,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:30:05,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-12-02 11:30:08,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 96 [2024-12-02 11:30:09,707 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:30:09,707 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 318 treesize of output 138 [2024-12-02 11:30:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 11:30:10,053 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:30:11,596 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:30:11,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [131724844] [2024-12-02 11:30:11,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [131724844] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:30:11,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2007153411] [2024-12-02 11:30:11,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:30:11,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:30:11,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:30:11,598 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:30:11,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-02 11:30:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:30:12,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 11:30:12,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:30:14,343 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 11:30:18,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 100 [2024-12-02 11:30:20,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 81 [2024-12-02 11:30:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 11:30:20,757 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:30:21,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2007153411] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:30:21,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:30:21,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2024-12-02 11:30:21,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097714847] [2024-12-02 11:30:21,710 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:30:21,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 11:30:21,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:30:21,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 11:30:21,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2024-12-02 11:30:21,711 INFO L87 Difference]: Start difference. First operand 1088 states and 1328 transitions. Second operand has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 18 states have internal predecessors, (106), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 11:30:27,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:30:27,201 INFO L93 Difference]: Finished difference Result 1602 states and 1945 transitions. [2024-12-02 11:30:27,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 11:30:27,202 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 18 states have internal predecessors, (106), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 105 [2024-12-02 11:30:27,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:30:27,205 INFO L225 Difference]: With dead ends: 1602 [2024-12-02 11:30:27,206 INFO L226 Difference]: Without dead ends: 1600 [2024-12-02 11:30:27,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=185, Invalid=1005, Unknown=0, NotChecked=0, Total=1190 [2024-12-02 11:30:27,206 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 389 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:30:27,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1100 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-12-02 11:30:27,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2024-12-02 11:30:27,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1276. [2024-12-02 11:30:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1126 states have (on average 1.191829484902309) internal successors, (1342), 1140 states have internal predecessors, (1342), 106 states have call successors, (106), 43 states have call predecessors, (106), 43 states have return successors, (106), 92 states have call predecessors, (106), 106 states have call successors, (106) [2024-12-02 11:30:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1554 transitions. [2024-12-02 11:30:27,396 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1554 transitions. Word has length 105 [2024-12-02 11:30:27,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:30:27,396 INFO L471 AbstractCegarLoop]: Abstraction has 1276 states and 1554 transitions. [2024-12-02 11:30:27,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 18 states have internal predecessors, (106), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 11:30:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1554 transitions. [2024-12-02 11:30:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 11:30:27,398 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:30:27,398 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:27,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:27,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-02 11:30:27,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 11:30:27,798 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:30:27,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:30:27,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1061662125, now seen corresponding path program 1 times [2024-12-02 11:30:27,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:30:27,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [367866671] [2024-12-02 11:30:27,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:30:27,799 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 11:30:27,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:30:27,801 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:27,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:30:28,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:30:28,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:30:28,259 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:30:28,259 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:30:28,259 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:30:28,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [367866671] [2024-12-02 11:30:28,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [367866671] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:30:28,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:30:28,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:30:28,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959891194] [2024-12-02 11:30:28,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:30:28,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:30:28,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:30:28,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:30:28,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:30:28,261 INFO L87 Difference]: Start difference. First operand 1276 states and 1554 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:30:28,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:30:28,708 INFO L93 Difference]: Finished difference Result 2810 states and 3439 transitions. [2024-12-02 11:30:28,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:30:28,709 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-12-02 11:30:28,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:30:28,713 INFO L225 Difference]: With dead ends: 2810 [2024-12-02 11:30:28,713 INFO L226 Difference]: Without dead ends: 1902 [2024-12-02 11:30:28,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:30:28,714 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 33 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:30:28,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 503 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:30:28,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2024-12-02 11:30:28,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1748. [2024-12-02 11:30:28,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1748 states, 1598 states have (on average 1.207133917396746) internal successors, (1929), 1612 states have internal predecessors, (1929), 106 states have call successors, (106), 43 states have call predecessors, (106), 43 states have return successors, (106), 92 states have call predecessors, (106), 106 states have call successors, (106) [2024-12-02 11:30:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2141 transitions. [2024-12-02 11:30:28,903 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2141 transitions. Word has length 106 [2024-12-02 11:30:28,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:30:28,903 INFO L471 AbstractCegarLoop]: Abstraction has 1748 states and 2141 transitions. [2024-12-02 11:30:28,903 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:30:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2141 transitions. [2024-12-02 11:30:28,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 11:30:28,905 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:30:28,905 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:28,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:29,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:29,106 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:30:29,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:30:29,106 INFO L85 PathProgramCache]: Analyzing trace with hash -999622511, now seen corresponding path program 1 times [2024-12-02 11:30:29,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:30:29,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1750716757] [2024-12-02 11:30:29,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:30:29,106 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 11:30:29,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:30:29,108 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:29,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:30:29,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:30:29,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:30:29,374 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:30:29,374 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:30:29,374 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:30:29,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1750716757] [2024-12-02 11:30:29,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1750716757] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:30:29,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:30:29,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:30:29,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445822308] [2024-12-02 11:30:29,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:30:29,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:30:29,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:30:29,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:30:29,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:30:29,375 INFO L87 Difference]: Start difference. First operand 1748 states and 2141 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:30:29,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:30:29,643 INFO L93 Difference]: Finished difference Result 2960 states and 3618 transitions. [2024-12-02 11:30:29,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:30:29,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-12-02 11:30:29,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:30:29,648 INFO L225 Difference]: With dead ends: 2960 [2024-12-02 11:30:29,648 INFO L226 Difference]: Without dead ends: 1575 [2024-12-02 11:30:29,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:30:29,649 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:30:29,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 211 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:30:29,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2024-12-02 11:30:29,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1575. [2024-12-02 11:30:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1575 states, 1425 states have (on average 1.1964912280701754) internal successors, (1705), 1439 states have internal predecessors, (1705), 106 states have call successors, (106), 43 states have call predecessors, (106), 43 states have return successors, (106), 92 states have call predecessors, (106), 106 states have call successors, (106) [2024-12-02 11:30:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 1917 transitions. [2024-12-02 11:30:29,859 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 1917 transitions. Word has length 106 [2024-12-02 11:30:29,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:30:29,859 INFO L471 AbstractCegarLoop]: Abstraction has 1575 states and 1917 transitions. [2024-12-02 11:30:29,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:30:29,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1917 transitions. [2024-12-02 11:30:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 11:30:29,861 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:30:29,861 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:29,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:30,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:30,061 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:30:30,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:30:30,062 INFO L85 PathProgramCache]: Analyzing trace with hash 2092814708, now seen corresponding path program 1 times [2024-12-02 11:30:30,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:30:30,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005901597] [2024-12-02 11:30:30,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:30:30,062 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 11:30:30,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:30:30,063 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:30,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:30:30,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:30:30,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:30:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:30:30,506 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:30:30,506 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:30:30,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005901597] [2024-12-02 11:30:30,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005901597] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:30:30,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:30:30,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:30:30,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192791856] [2024-12-02 11:30:30,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:30:30,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:30:30,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:30:30,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:30:30,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:30:30,508 INFO L87 Difference]: Start difference. First operand 1575 states and 1917 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:30:30,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:30:30,963 INFO L93 Difference]: Finished difference Result 3054 states and 3713 transitions. [2024-12-02 11:30:30,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:30:30,964 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-12-02 11:30:30,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:30:30,970 INFO L225 Difference]: With dead ends: 3054 [2024-12-02 11:30:30,970 INFO L226 Difference]: Without dead ends: 1971 [2024-12-02 11:30:30,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:30:30,972 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 29 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:30:30,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 477 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:30:30,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2024-12-02 11:30:31,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1911. [2024-12-02 11:30:31,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1911 states, 1761 states have (on average 1.1959114139693356) internal successors, (2106), 1775 states have internal predecessors, (2106), 106 states have call successors, (106), 43 states have call predecessors, (106), 43 states have return successors, (106), 92 states have call predecessors, (106), 106 states have call successors, (106) [2024-12-02 11:30:31,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2318 transitions. [2024-12-02 11:30:31,176 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2318 transitions. Word has length 107 [2024-12-02 11:30:31,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:30:31,176 INFO L471 AbstractCegarLoop]: Abstraction has 1911 states and 2318 transitions. [2024-12-02 11:30:31,176 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:30:31,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2318 transitions. [2024-12-02 11:30:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 11:30:31,178 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:30:31,178 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:31,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:31,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:31,378 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:30:31,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:30:31,379 INFO L85 PathProgramCache]: Analyzing trace with hash -278924554, now seen corresponding path program 1 times [2024-12-02 11:30:31,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:30:31,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578980552] [2024-12-02 11:30:31,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:30:31,379 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 11:30:31,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:30:31,381 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:31,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:30:31,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 11:30:31,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:30:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 117 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 11:30:32,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:30:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:30:32,705 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:30:32,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578980552] [2024-12-02 11:30:32,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1578980552] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:30:32,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:30:32,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 11:30:32,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656413008] [2024-12-02 11:30:32,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:30:32,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:30:32,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:30:32,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:30:32,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:30:32,707 INFO L87 Difference]: Start difference. First operand 1911 states and 2318 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:30:33,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:30:33,051 INFO L93 Difference]: Finished difference Result 3183 states and 3857 transitions. [2024-12-02 11:30:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:30:33,052 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-12-02 11:30:33,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:30:33,055 INFO L225 Difference]: With dead ends: 3183 [2024-12-02 11:30:33,055 INFO L226 Difference]: Without dead ends: 1874 [2024-12-02 11:30:33,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 11:30:33,057 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 92 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:30:33,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 370 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:30:33,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2024-12-02 11:30:33,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1821. [2024-12-02 11:30:33,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1821 states, 1671 states have (on average 1.196888090963495) internal successors, (2000), 1685 states have internal predecessors, (2000), 106 states have call successors, (106), 43 states have call predecessors, (106), 43 states have return successors, (106), 92 states have call predecessors, (106), 106 states have call successors, (106) [2024-12-02 11:30:33,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2212 transitions. [2024-12-02 11:30:33,241 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2212 transitions. Word has length 107 [2024-12-02 11:30:33,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:30:33,241 INFO L471 AbstractCegarLoop]: Abstraction has 1821 states and 2212 transitions. [2024-12-02 11:30:33,241 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:30:33,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2212 transitions. [2024-12-02 11:30:33,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 11:30:33,242 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:30:33,242 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:33,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:33,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:33,443 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:30:33,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:30:33,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1490412621, now seen corresponding path program 1 times [2024-12-02 11:30:33,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:30:33,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [545233963] [2024-12-02 11:30:33,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:30:33,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 11:30:33,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:30:33,445 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:33,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:30:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:30:33,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 11:30:33,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:30:34,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-12-02 11:30:37,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 90 [2024-12-02 11:30:39,017 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:30:39,018 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 308 treesize of output 132 [2024-12-02 11:30:39,387 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 11:30:39,387 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:30:40,800 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:30:40,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [545233963] [2024-12-02 11:30:40,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [545233963] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:30:40,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [423621602] [2024-12-02 11:30:40,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:30:40,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:30:40,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:30:40,803 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:30:40,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-02 11:30:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:30:42,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-02 11:30:42,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:30:43,564 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 11:30:57,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 98 [2024-12-02 11:30:58,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 297 treesize of output 149 [2024-12-02 11:30:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 11:30:58,977 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:30:59,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [423621602] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:30:59,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:30:59,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 25 [2024-12-02 11:30:59,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310143655] [2024-12-02 11:30:59,787 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:30:59,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 11:30:59,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:30:59,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 11:30:59,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=874, Unknown=1, NotChecked=0, Total=992 [2024-12-02 11:30:59,788 INFO L87 Difference]: Start difference. First operand 1821 states and 2212 transitions. Second operand has 26 states, 24 states have (on average 4.833333333333333) internal successors, (116), 23 states have internal predecessors, (116), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 11:31:08,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:31:08,676 INFO L93 Difference]: Finished difference Result 2500 states and 3013 transitions. [2024-12-02 11:31:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 11:31:08,677 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 4.833333333333333) internal successors, (116), 23 states have internal predecessors, (116), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 107 [2024-12-02 11:31:08,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:31:08,683 INFO L225 Difference]: With dead ends: 2500 [2024-12-02 11:31:08,683 INFO L226 Difference]: Without dead ends: 2498 [2024-12-02 11:31:08,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 246 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=416, Invalid=2133, Unknown=1, NotChecked=0, Total=2550 [2024-12-02 11:31:08,684 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 538 mSDsluCounter, 1282 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:31:08,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 1389 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 11:31:08,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2024-12-02 11:31:08,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 1529. [2024-12-02 11:31:08,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1379 states have (on average 1.192168237853517) internal successors, (1644), 1393 states have internal predecessors, (1644), 106 states have call successors, (106), 43 states have call predecessors, (106), 43 states have return successors, (106), 92 states have call predecessors, (106), 106 states have call successors, (106) [2024-12-02 11:31:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 1856 transitions. [2024-12-02 11:31:08,887 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 1856 transitions. Word has length 107 [2024-12-02 11:31:08,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:31:08,887 INFO L471 AbstractCegarLoop]: Abstraction has 1529 states and 1856 transitions. [2024-12-02 11:31:08,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 4.833333333333333) internal successors, (116), 23 states have internal predecessors, (116), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 11:31:08,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1856 transitions. [2024-12-02 11:31:08,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 11:31:08,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:31:08,888 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:31:08,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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)] Ended with exit code 0 [2024-12-02 11:31:09,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-02 11:31:09,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 11:31:09,289 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:31:09,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:31:09,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1229739150, now seen corresponding path program 1 times [2024-12-02 11:31:09,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:31:09,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625158740] [2024-12-02 11:31:09,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:31:09,290 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 11:31:09,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:31:09,291 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:31:09,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (37)] Waiting until timeout for monitored process [2024-12-02 11:31:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:31:09,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 11:31:09,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:31:10,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 11:31:10,053 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 18 treesize of output 19 [2024-12-02 11:31:10,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:31:10,603 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 123 treesize of output 53 [2024-12-02 11:31:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:31:10,809 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:31:10,809 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:31:10,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625158740] [2024-12-02 11:31:10,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1625158740] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:31:10,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:31:10,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 11:31:10,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600515675] [2024-12-02 11:31:10,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:31:10,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 11:31:10,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:31:10,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 11:31:10,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:31:10,810 INFO L87 Difference]: Start difference. First operand 1529 states and 1856 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:31:12,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:31:12,213 INFO L93 Difference]: Finished difference Result 1733 states and 2085 transitions. [2024-12-02 11:31:12,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 11:31:12,214 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-12-02 11:31:12,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:31:12,217 INFO L225 Difference]: With dead ends: 1733 [2024-12-02 11:31:12,217 INFO L226 Difference]: Without dead ends: 1731 [2024-12-02 11:31:12,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-12-02 11:31:12,218 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 112 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 11:31:12,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 1056 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 11:31:12,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2024-12-02 11:31:12,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1091. [2024-12-02 11:31:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1025 states have (on average 1.1970731707317073) internal successors, (1227), 1028 states have internal predecessors, (1227), 45 states have call successors, (45), 20 states have call predecessors, (45), 20 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 11:31:12,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1317 transitions. [2024-12-02 11:31:12,328 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1317 transitions. Word has length 108 [2024-12-02 11:31:12,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:31:12,328 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1317 transitions. [2024-12-02 11:31:12,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:31:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1317 transitions. [2024-12-02 11:31:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 11:31:12,329 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:31:12,329 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:31:12,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (37)] Ended with exit code 0 [2024-12-02 11:31:12,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:31:12,529 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:31:12,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:31:12,530 INFO L85 PathProgramCache]: Analyzing trace with hash 420392524, now seen corresponding path program 1 times [2024-12-02 11:31:12,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:31:12,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902835485] [2024-12-02 11:31:12,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:31:12,530 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 11:31:12,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:31:12,531 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:31:12,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (38)] Waiting until timeout for monitored process [2024-12-02 11:31:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:31:12,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:31:12,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:31:13,016 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 18 treesize of output 10 [2024-12-02 11:31:13,125 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:31:13,125 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:31:13,125 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:31:13,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902835485] [2024-12-02 11:31:13,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902835485] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:31:13,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:31:13,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:31:13,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143392018] [2024-12-02 11:31:13,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:31:13,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:31:13,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:31:13,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:31:13,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:31:13,127 INFO L87 Difference]: Start difference. First operand 1091 states and 1317 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:31:14,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:31:14,222 INFO L93 Difference]: Finished difference Result 1867 states and 2242 transitions. [2024-12-02 11:31:14,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:31:14,223 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-12-02 11:31:14,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:31:14,229 INFO L225 Difference]: With dead ends: 1867 [2024-12-02 11:31:14,229 INFO L226 Difference]: Without dead ends: 1152 [2024-12-02 11:31:14,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:31:14,230 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 30 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 11:31:14,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 487 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 11:31:14,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2024-12-02 11:31:14,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1094. [2024-12-02 11:31:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 1028 states have (on average 1.1916342412451362) internal successors, (1225), 1031 states have internal predecessors, (1225), 45 states have call successors, (45), 20 states have call predecessors, (45), 20 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 11:31:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1315 transitions. [2024-12-02 11:31:14,336 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1315 transitions. Word has length 108 [2024-12-02 11:31:14,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:31:14,336 INFO L471 AbstractCegarLoop]: Abstraction has 1094 states and 1315 transitions. [2024-12-02 11:31:14,336 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:31:14,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1315 transitions. [2024-12-02 11:31:14,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 11:31:14,337 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:31:14,337 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:31:14,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (38)] Ended with exit code 0 [2024-12-02 11:31:14,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:31:14,537 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:31:14,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:31:14,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1291778764, now seen corresponding path program 1 times [2024-12-02 11:31:14,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:31:14,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457795685] [2024-12-02 11:31:14,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:31:14,538 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 11:31:14,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:31:14,539 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:31:14,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (39)] Waiting until timeout for monitored process [2024-12-02 11:31:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:31:14,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:31:14,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:31:14,858 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 18 treesize of output 10 [2024-12-02 11:31:14,889 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:31:14,889 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:31:14,890 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:31:14,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457795685] [2024-12-02 11:31:14,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457795685] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:31:14,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:31:14,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:31:14,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678635296] [2024-12-02 11:31:14,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:31:14,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:31:14,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:31:14,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:31:14,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:31:14,891 INFO L87 Difference]: Start difference. First operand 1094 states and 1315 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:31:15,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:31:15,103 INFO L93 Difference]: Finished difference Result 1700 states and 2038 transitions. [2024-12-02 11:31:15,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:31:15,104 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-12-02 11:31:15,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:31:15,108 INFO L225 Difference]: With dead ends: 1700 [2024-12-02 11:31:15,108 INFO L226 Difference]: Without dead ends: 919 [2024-12-02 11:31:15,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 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 11:31:15,109 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:31:15,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 297 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:31:15,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2024-12-02 11:31:15,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 919. [2024-12-02 11:31:15,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 853 states have (on average 1.186400937866354) internal successors, (1012), 856 states have internal predecessors, (1012), 45 states have call successors, (45), 20 states have call predecessors, (45), 20 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 11:31:15,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1102 transitions. [2024-12-02 11:31:15,213 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1102 transitions. Word has length 108 [2024-12-02 11:31:15,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:31:15,213 INFO L471 AbstractCegarLoop]: Abstraction has 919 states and 1102 transitions. [2024-12-02 11:31:15,214 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:31:15,214 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1102 transitions. [2024-12-02 11:31:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 11:31:15,214 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:31:15,214 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:31:15,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (39)] Ended with exit code 0 [2024-12-02 11:31:15,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:31:15,415 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:31:15,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:31:15,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1654958547, now seen corresponding path program 1 times [2024-12-02 11:31:15,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:31:15,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734903251] [2024-12-02 11:31:15,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:31:15,415 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 11:31:15,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:31:15,417 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:31:15,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (40)] Waiting until timeout for monitored process [2024-12-02 11:31:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:31:15,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 11:31:15,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:31:16,521 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 11:31:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 117 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 11:31:16,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:31:16,909 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:31:16,909 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:31:16,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734903251] [2024-12-02 11:31:16,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734903251] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:31:16,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:31:16,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-12-02 11:31:16,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231050874] [2024-12-02 11:31:16,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:31:16,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:31:16,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:31:16,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:31:16,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:31:16,911 INFO L87 Difference]: Start difference. First operand 919 states and 1102 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:31:17,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:31:17,243 INFO L93 Difference]: Finished difference Result 1415 states and 1683 transitions. [2024-12-02 11:31:17,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:31:17,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 111 [2024-12-02 11:31:17,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:31:17,245 INFO L225 Difference]: With dead ends: 1415 [2024-12-02 11:31:17,245 INFO L226 Difference]: Without dead ends: 707 [2024-12-02 11:31:17,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 11:31:17,246 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 35 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:31:17,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 424 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:31:17,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-12-02 11:31:17,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 680. [2024-12-02 11:31:17,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 614 states have (on average 1.1563517915309447) internal successors, (710), 617 states have internal predecessors, (710), 45 states have call successors, (45), 20 states have call predecessors, (45), 20 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 11:31:17,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 800 transitions. [2024-12-02 11:31:17,345 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 800 transitions. Word has length 111 [2024-12-02 11:31:17,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:31:17,345 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 800 transitions. [2024-12-02 11:31:17,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:31:17,345 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 800 transitions. [2024-12-02 11:31:17,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 11:31:17,346 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:31:17,346 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:31:17,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (40)] Ended with exit code 0 [2024-12-02 11:31:17,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:31:17,547 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:31:17,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:31:17,547 INFO L85 PathProgramCache]: Analyzing trace with hash 497158722, now seen corresponding path program 1 times [2024-12-02 11:31:17,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:31:17,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177707537] [2024-12-02 11:31:17,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:31:17,547 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 11:31:17,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:31:17,549 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:31:17,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (41)] Waiting until timeout for monitored process [2024-12-02 11:31:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:31:17,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 11:31:17,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:31:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 117 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-02 11:31:18,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:31:19,125 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 11:31:19,125 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:31:19,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177707537] [2024-12-02 11:31:19,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1177707537] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:31:19,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:31:19,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 11:31:19,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658628959] [2024-12-02 11:31:19,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:31:19,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:31:19,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:31:19,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:31:19,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:31:19,127 INFO L87 Difference]: Start difference. First operand 680 states and 800 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:31:19,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:31:19,415 INFO L93 Difference]: Finished difference Result 1165 states and 1360 transitions. [2024-12-02 11:31:19,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:31:19,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-12-02 11:31:19,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:31:19,417 INFO L225 Difference]: With dead ends: 1165 [2024-12-02 11:31:19,417 INFO L226 Difference]: Without dead ends: 687 [2024-12-02 11:31:19,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 11:31:19,418 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 45 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:31:19,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 347 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:31:19,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-12-02 11:31:19,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 659. [2024-12-02 11:31:19,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 593 states have (on average 1.1433389544688026) internal successors, (678), 596 states have internal predecessors, (678), 45 states have call successors, (45), 20 states have call predecessors, (45), 20 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 11:31:19,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 768 transitions. [2024-12-02 11:31:19,522 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 768 transitions. Word has length 112 [2024-12-02 11:31:19,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:31:19,522 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 768 transitions. [2024-12-02 11:31:19,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:31:19,522 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 768 transitions. [2024-12-02 11:31:19,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-12-02 11:31:19,523 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:31:19,523 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:31:19,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (41)] Ended with exit code 0 [2024-12-02 11:31:19,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:31:19,723 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:31:19,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:31:19,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1118734532, now seen corresponding path program 1 times [2024-12-02 11:31:19,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:31:19,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562251331] [2024-12-02 11:31:19,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:31:19,724 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 11:31:19,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:31:19,726 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 11:31:19,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/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 (42)] Waiting until timeout for monitored process [2024-12-02 11:31:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:31:20,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 11:31:20,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:31:30,033 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 11:31:32,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 24 [2024-12-02 11:31:33,710 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 26 treesize of output 22 [2024-12-02 11:31:33,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2024-12-02 11:31:34,900 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 11:31:34,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 40 [2024-12-02 11:31:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 9 proven. 322 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2024-12-02 11:31:35,195 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:31:36,022 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 60 treesize of output 52 [2024-12-02 11:32:01,018 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:32:01,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562251331] [2024-12-02 11:32:01,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1562251331] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:32:01,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2145521592] [2024-12-02 11:32:01,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:32:01,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:32:01,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:32:01,020 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:32:01,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de4ff4d-d1e1-4349-a12c-8bcc10cb5257/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process