./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_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/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_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 642511f0cc57b1630f0ad0545fc5a6d0fb09b97407825981361747f93de7622e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:16:11,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:16:11,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:16:11,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:16:11,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:16:11,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:16:11,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:16:11,220 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:16:11,221 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:16:11,221 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:16:11,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:16:11,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:16:11,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:16:11,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:16:11,224 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:16:11,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:16:11,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:16:11,224 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:16:11,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:16:11,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:16:11,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:16:11,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:16:11,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:16:11,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:16:11,225 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:16:11,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:16:11,225 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:16:11,225 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:16:11,225 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:16:11,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:16:11,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:16:11,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:16:11,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:11,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:16:11,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:16:11,227 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:16:11,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:16:11,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:11,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:16:11,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:16:11,227 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:16:11,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:16:11,228 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:16:11,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:16:11,228 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:16:11,228 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:16:11,229 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:16:11,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:16:11,229 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_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 642511f0cc57b1630f0ad0545fc5a6d0fb09b97407825981361747f93de7622e [2024-11-28 04:16:11,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:16:11,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:16:11,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:16:11,641 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:16:11,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:16:11,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i [2024-11-28 04:16:14,806 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/data/c93d21c44/9edc2aad396a434c99728496a2b49b51/FLAG7079e1e11 [2024-11-28 04:16:15,185 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:16:15,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i [2024-11-28 04:16:15,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/data/c93d21c44/9edc2aad396a434c99728496a2b49b51/FLAG7079e1e11 [2024-11-28 04:16:15,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/data/c93d21c44/9edc2aad396a434c99728496a2b49b51 [2024-11-28 04:16:15,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:16:15,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:16:15,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:16:15,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:16:15,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:16:15,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac827b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15, skipping insertion in model container [2024-11-28 04:16:15,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:16:15,452 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_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i[917,930] [2024-11-28 04:16:15,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:16:15,578 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:16:15,591 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_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i[917,930] [2024-11-28 04:16:15,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:16:15,681 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:16:15,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15 WrapperNode [2024-11-28 04:16:15,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:16:15,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:16:15,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:16:15,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:16:15,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,765 INFO L138 Inliner]: procedures = 29, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 424 [2024-11-28 04:16:15,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:16:15,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:16:15,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:16:15,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:16:15,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,824 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]. [2024-11-28 04:16:15,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,838 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:16:15,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:16:15,857 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:16:15,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:16:15,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (1/1) ... [2024-11-28 04:16:15,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:15,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:15,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:16:15,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:16:15,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:16:15,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 04:16:15,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 04:16:15,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 04:16:15,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 04:16:15,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 04:16:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:16:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:16:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:16:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:16:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:16:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 04:16:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 04:16:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 04:16:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 04:16:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 04:16:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:16:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:16:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:16:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:16:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:16:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 04:16:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 04:16:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 04:16:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 04:16:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 04:16:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:16:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:16:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:16:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:16:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:16:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:16:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:16:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:16:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:16:16,126 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:16:16,129 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:16:16,741 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-28 04:16:16,742 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:16:16,756 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:16:16,757 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:16:16,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:16:16 BoogieIcfgContainer [2024-11-28 04:16:16,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:16:16,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:16:16,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:16:16,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:16:16,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:16:15" (1/3) ... [2024-11-28 04:16:16,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d8f87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:16:16, skipping insertion in model container [2024-11-28 04:16:16,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:15" (2/3) ... [2024-11-28 04:16:16,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d8f87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:16:16, skipping insertion in model container [2024-11-28 04:16:16,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:16:16" (3/3) ... [2024-11-28 04:16:16,767 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-31.i [2024-11-28 04:16:16,782 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:16:16,784 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. [2024-11-28 04:16:16,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:16:16,851 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;@21cde725, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:16:16,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:16:16,856 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) [2024-11-28 04:16:16,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 04:16:16,864 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:16,865 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] [2024-11-28 04:16:16,866 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:16,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:16,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1922605135, now seen corresponding path program 1 times [2024-11-28 04:16:16,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:16,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099123712] [2024-11-28 04:16:16,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:16,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-28 04:16:17,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:17,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099123712] [2024-11-28 04:16:17,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099123712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:16:17,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460201306] [2024-11-28 04:16:17,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:17,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:17,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:17,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:17,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:16:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:17,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:16:17,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-28 04:16:17,598 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:16:17,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460201306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:17,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:16:17,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:16:17,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118815547] [2024-11-28 04:16:17,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:17,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:16:17,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:17,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:16:17,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:16:17,635 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), 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) [2024-11-28 04:16:17,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:17,674 INFO L93 Difference]: Finished difference Result 167 states and 261 transitions. [2024-11-28 04:16:17,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:16:17,677 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 [2024-11-28 04:16:17,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:17,684 INFO L225 Difference]: With dead ends: 167 [2024-11-28 04:16:17,684 INFO L226 Difference]: Without dead ends: 83 [2024-11-28 04:16:17,689 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 [2024-11-28 04:16:17,693 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:17,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:16:17,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-28 04:16:17,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-28 04:16:17,735 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) [2024-11-28 04:16:17,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2024-11-28 04:16:17,741 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 94 [2024-11-28 04:16:17,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:17,742 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2024-11-28 04:16:17,742 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) [2024-11-28 04:16:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2024-11-28 04:16:17,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 04:16:17,745 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:17,745 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] [2024-11-28 04:16:17,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:16:17,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:16:17,950 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:17,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:17,951 INFO L85 PathProgramCache]: Analyzing trace with hash 434162283, now seen corresponding path program 1 times [2024-11-28 04:16:17,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:17,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555301220] [2024-11-28 04:16:17,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:17,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:18,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:18,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555301220] [2024-11-28 04:16:18,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555301220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:18,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:18,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:16:18,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383653106] [2024-11-28 04:16:18,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:18,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:16:18,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:18,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:16:18,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:18,712 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) [2024-11-28 04:16:18,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:18,806 INFO L93 Difference]: Finished difference Result 163 states and 239 transitions. [2024-11-28 04:16:18,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:18,807 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 [2024-11-28 04:16:18,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:18,810 INFO L225 Difference]: With dead ends: 163 [2024-11-28 04:16:18,811 INFO L226 Difference]: Without dead ends: 83 [2024-11-28 04:16:18,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:18,814 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:18,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 219 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:16:18,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-28 04:16:18,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-28 04:16:18,831 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) [2024-11-28 04:16:18,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2024-11-28 04:16:18,836 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 94 [2024-11-28 04:16:18,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:18,838 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2024-11-28 04:16:18,838 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) [2024-11-28 04:16:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2024-11-28 04:16:18,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 04:16:18,843 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:18,844 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] [2024-11-28 04:16:18,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:16:18,844 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:18,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:18,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1154185619, now seen corresponding path program 1 times [2024-11-28 04:16:18,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:18,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037791058] [2024-11-28 04:16:18,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:18,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 04:16:23,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:23,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037791058] [2024-11-28 04:16:23,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037791058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:23,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:23,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 04:16:23,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552432713] [2024-11-28 04:16:23,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:23,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 04:16:23,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:23,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 04:16:23,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:16:23,412 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) [2024-11-28 04:16:26,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:26,450 INFO L93 Difference]: Finished difference Result 302 states and 429 transitions. [2024-11-28 04:16:26,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 04:16:26,451 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 [2024-11-28 04:16:26,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:26,454 INFO L225 Difference]: With dead ends: 302 [2024-11-28 04:16:26,455 INFO L226 Difference]: Without dead ends: 222 [2024-11-28 04:16:26,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=304, Invalid=1102, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 04:16:26,460 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 608 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:26,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1056 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:16:26,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-28 04:16:26,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 148. [2024-11-28 04:16:26,507 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) [2024-11-28 04:16:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 211 transitions. [2024-11-28 04:16:26,512 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 211 transitions. Word has length 94 [2024-11-28 04:16:26,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:26,512 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 211 transitions. [2024-11-28 04:16:26,513 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) [2024-11-28 04:16:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2024-11-28 04:16:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 04:16:26,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:26,516 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] [2024-11-28 04:16:26,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:16:26,516 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:26,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:26,519 INFO L85 PathProgramCache]: Analyzing trace with hash 692504298, now seen corresponding path program 1 times [2024-11-28 04:16:26,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:26,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44842906] [2024-11-28 04:16:26,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:26,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:28,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:28,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44842906] [2024-11-28 04:16:28,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44842906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:28,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:28,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 04:16:28,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941822737] [2024-11-28 04:16:28,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:28,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:16:28,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:28,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:16:28,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:16:28,556 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) [2024-11-28 04:16:29,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:29,280 INFO L93 Difference]: Finished difference Result 432 states and 616 transitions. [2024-11-28 04:16:29,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:16:29,281 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 [2024-11-28 04:16:29,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:29,284 INFO L225 Difference]: With dead ends: 432 [2024-11-28 04:16:29,285 INFO L226 Difference]: Without dead ends: 287 [2024-11-28 04:16:29,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:16:29,286 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 330 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:29,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 914 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:16:29,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-28 04:16:29,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 282. [2024-11-28 04:16:29,336 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) [2024-11-28 04:16:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 404 transitions. [2024-11-28 04:16:29,339 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 404 transitions. Word has length 95 [2024-11-28 04:16:29,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:29,339 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 404 transitions. [2024-11-28 04:16:29,341 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) [2024-11-28 04:16:29,341 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 404 transitions. [2024-11-28 04:16:29,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 04:16:29,346 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:29,347 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] [2024-11-28 04:16:29,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:16:29,347 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:29,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:29,348 INFO L85 PathProgramCache]: Analyzing trace with hash -463624664, now seen corresponding path program 1 times [2024-11-28 04:16:29,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:29,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136001682] [2024-11-28 04:16:29,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:29,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:29,514 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:29,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:29,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136001682] [2024-11-28 04:16:29,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136001682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:29,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:29,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:16:29,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287273054] [2024-11-28 04:16:29,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:29,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:16:29,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:29,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:16:29,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:29,518 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) [2024-11-28 04:16:29,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:29,622 INFO L93 Difference]: Finished difference Result 561 states and 805 transitions. [2024-11-28 04:16:29,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:29,623 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 [2024-11-28 04:16:29,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:29,625 INFO L225 Difference]: With dead ends: 561 [2024-11-28 04:16:29,625 INFO L226 Difference]: Without dead ends: 282 [2024-11-28 04:16:29,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:29,626 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 [2024-11-28 04:16:29,627 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] [2024-11-28 04:16:29,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-28 04:16:29,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2024-11-28 04:16:29,674 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) [2024-11-28 04:16:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 400 transitions. [2024-11-28 04:16:29,676 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 400 transitions. Word has length 96 [2024-11-28 04:16:29,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:29,677 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 400 transitions. [2024-11-28 04:16:29,677 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) [2024-11-28 04:16:29,677 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 400 transitions. [2024-11-28 04:16:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 04:16:29,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:29,679 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] [2024-11-28 04:16:29,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:16:29,679 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:29,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:29,680 INFO L85 PathProgramCache]: Analyzing trace with hash -856651674, now seen corresponding path program 1 times [2024-11-28 04:16:29,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:29,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434462794] [2024-11-28 04:16:29,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:29,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:30,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:30,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434462794] [2024-11-28 04:16:30,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434462794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:30,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:30,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:16:30,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579611841] [2024-11-28 04:16:30,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:30,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:16:30,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:30,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:16:30,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:16:30,827 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) [2024-11-28 04:16:31,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:31,318 INFO L93 Difference]: Finished difference Result 594 states and 840 transitions. [2024-11-28 04:16:31,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:16:31,321 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 [2024-11-28 04:16:31,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:31,323 INFO L225 Difference]: With dead ends: 594 [2024-11-28 04:16:31,323 INFO L226 Difference]: Without dead ends: 315 [2024-11-28 04:16:31,326 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 [2024-11-28 04:16:31,327 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:31,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 572 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:16:31,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-28 04:16:31,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 214. [2024-11-28 04:16:31,373 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) [2024-11-28 04:16:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 298 transitions. [2024-11-28 04:16:31,379 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 298 transitions. Word has length 96 [2024-11-28 04:16:31,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:31,380 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 298 transitions. [2024-11-28 04:16:31,380 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) [2024-11-28 04:16:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 298 transitions. [2024-11-28 04:16:31,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 04:16:31,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:31,382 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] [2024-11-28 04:16:31,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:16:31,382 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:31,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:31,383 INFO L85 PathProgramCache]: Analyzing trace with hash 916608243, now seen corresponding path program 1 times [2024-11-28 04:16:31,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:31,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757695015] [2024-11-28 04:16:31,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:31,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:31,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:31,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757695015] [2024-11-28 04:16:31,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757695015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:31,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:31,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:16:31,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613135711] [2024-11-28 04:16:31,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:31,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:16:31,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:31,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:16:31,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:31,456 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) [2024-11-28 04:16:31,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:31,507 INFO L93 Difference]: Finished difference Result 411 states and 573 transitions. [2024-11-28 04:16:31,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:31,508 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 [2024-11-28 04:16:31,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:31,510 INFO L225 Difference]: With dead ends: 411 [2024-11-28 04:16:31,511 INFO L226 Difference]: Without dead ends: 216 [2024-11-28 04:16:31,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:31,512 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 [2024-11-28 04:16:31,512 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] [2024-11-28 04:16:31,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-28 04:16:31,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-28 04:16:31,557 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) [2024-11-28 04:16:31,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 300 transitions. [2024-11-28 04:16:31,559 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 300 transitions. Word has length 96 [2024-11-28 04:16:31,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:31,559 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 300 transitions. [2024-11-28 04:16:31,560 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) [2024-11-28 04:16:31,560 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 300 transitions. [2024-11-28 04:16:31,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 04:16:31,561 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:31,561 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] [2024-11-28 04:16:31,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:16:31,562 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:31,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:31,562 INFO L85 PathProgramCache]: Analyzing trace with hash 329802229, now seen corresponding path program 1 times [2024-11-28 04:16:31,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:31,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10756045] [2024-11-28 04:16:31,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:31,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:31,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:31,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10756045] [2024-11-28 04:16:31,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10756045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:31,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:31,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:16:31,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944578196] [2024-11-28 04:16:31,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:31,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:16:31,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:31,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:16:31,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:16:31,781 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) [2024-11-28 04:16:31,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:31,943 INFO L93 Difference]: Finished difference Result 481 states and 667 transitions. [2024-11-28 04:16:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:16:31,944 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 [2024-11-28 04:16:31,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:31,946 INFO L225 Difference]: With dead ends: 481 [2024-11-28 04:16:31,946 INFO L226 Difference]: Without dead ends: 284 [2024-11-28 04:16:31,947 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 [2024-11-28 04:16:31,947 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 49 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-28 04:16:31,952 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] [2024-11-28 04:16:31,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-28 04:16:32,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 218. [2024-11-28 04:16:32,004 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) [2024-11-28 04:16:32,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 301 transitions. [2024-11-28 04:16:32,007 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 301 transitions. Word has length 96 [2024-11-28 04:16:32,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:32,008 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 301 transitions. [2024-11-28 04:16:32,008 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) [2024-11-28 04:16:32,008 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 301 transitions. [2024-11-28 04:16:32,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 04:16:32,009 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:32,009 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] [2024-11-28 04:16:32,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:16:32,010 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:32,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:32,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1874819353, now seen corresponding path program 1 times [2024-11-28 04:16:32,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:32,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923659674] [2024-11-28 04:16:32,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:32,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:32,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:32,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923659674] [2024-11-28 04:16:32,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923659674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:32,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:32,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:16:32,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213105942] [2024-11-28 04:16:32,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:32,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:16:32,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:32,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:16:32,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:16:32,211 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) [2024-11-28 04:16:32,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:32,347 INFO L93 Difference]: Finished difference Result 473 states and 650 transitions. [2024-11-28 04:16:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:16:32,348 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 [2024-11-28 04:16:32,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:32,350 INFO L225 Difference]: With dead ends: 473 [2024-11-28 04:16:32,350 INFO L226 Difference]: Without dead ends: 274 [2024-11-28 04:16:32,351 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 [2024-11-28 04:16:32,351 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 40 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-28 04:16:32,356 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] [2024-11-28 04:16:32,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-28 04:16:32,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 218. [2024-11-28 04:16:32,400 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) [2024-11-28 04:16:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 298 transitions. [2024-11-28 04:16:32,402 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 298 transitions. Word has length 97 [2024-11-28 04:16:32,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:32,403 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 298 transitions. [2024-11-28 04:16:32,403 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) [2024-11-28 04:16:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 298 transitions. [2024-11-28 04:16:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 04:16:32,404 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:32,404 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] [2024-11-28 04:16:32,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:16:32,405 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:32,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:32,405 INFO L85 PathProgramCache]: Analyzing trace with hash -421311151, now seen corresponding path program 1 times [2024-11-28 04:16:32,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:32,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263830536] [2024-11-28 04:16:32,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:32,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:33,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:33,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263830536] [2024-11-28 04:16:33,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263830536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:33,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:33,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:16:33,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625677117] [2024-11-28 04:16:33,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:33,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:16:33,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:33,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:16:33,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:16:33,088 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) [2024-11-28 04:16:33,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:33,448 INFO L93 Difference]: Finished difference Result 397 states and 540 transitions. [2024-11-28 04:16:33,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:16:33,449 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 [2024-11-28 04:16:33,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:33,453 INFO L225 Difference]: With dead ends: 397 [2024-11-28 04:16:33,453 INFO L226 Difference]: Without dead ends: 291 [2024-11-28 04:16:33,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:16:33,455 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 226 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:33,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 633 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:16:33,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-28 04:16:33,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 238. [2024-11-28 04:16:33,512 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) [2024-11-28 04:16:33,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 325 transitions. [2024-11-28 04:16:33,516 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 325 transitions. Word has length 98 [2024-11-28 04:16:33,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:33,517 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 325 transitions. [2024-11-28 04:16:33,517 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) [2024-11-28 04:16:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 325 transitions. [2024-11-28 04:16:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:16:33,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:33,519 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] [2024-11-28 04:16:33,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:16:33,520 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:33,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:33,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1036545903, now seen corresponding path program 1 times [2024-11-28 04:16:33,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:33,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858651522] [2024-11-28 04:16:33,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:33,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:33,771 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:33,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:33,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858651522] [2024-11-28 04:16:33,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858651522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:33,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:33,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:16:33,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764058010] [2024-11-28 04:16:33,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:33,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:16:33,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:33,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:16:33,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:16:33,775 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) [2024-11-28 04:16:33,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:33,918 INFO L93 Difference]: Finished difference Result 547 states and 746 transitions. [2024-11-28 04:16:33,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:16:33,919 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 [2024-11-28 04:16:33,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:33,922 INFO L225 Difference]: With dead ends: 547 [2024-11-28 04:16:33,922 INFO L226 Difference]: Without dead ends: 328 [2024-11-28 04:16:33,923 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 [2024-11-28 04:16:33,923 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 89 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-28 04:16:33,925 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] [2024-11-28 04:16:33,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-28 04:16:33,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 250. [2024-11-28 04:16:33,999 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) [2024-11-28 04:16:34,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 337 transitions. [2024-11-28 04:16:34,003 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 337 transitions. Word has length 99 [2024-11-28 04:16:34,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:34,004 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 337 transitions. [2024-11-28 04:16:34,004 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) [2024-11-28 04:16:34,004 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 337 transitions. [2024-11-28 04:16:34,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:16:34,006 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:34,006 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] [2024-11-28 04:16:34,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:16:34,007 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:34,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:34,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1365186479, now seen corresponding path program 1 times [2024-11-28 04:16:34,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:34,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711169179] [2024-11-28 04:16:34,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:34,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 04:16:34,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:34,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711169179] [2024-11-28 04:16:34,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711169179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:16:34,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246340693] [2024-11-28 04:16:34,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:34,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:34,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:34,163 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:34,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:16:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:34,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:16:34,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:34,440 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:16:34,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246340693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:34,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:16:34,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-11-28 04:16:34,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081587970] [2024-11-28 04:16:34,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:34,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:16:34,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:34,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:16:34,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:16:34,443 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) [2024-11-28 04:16:34,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:34,517 INFO L93 Difference]: Finished difference Result 490 states and 659 transitions. [2024-11-28 04:16:34,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:16:34,518 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 [2024-11-28 04:16:34,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:34,522 INFO L225 Difference]: With dead ends: 490 [2024-11-28 04:16:34,522 INFO L226 Difference]: Without dead ends: 259 [2024-11-28 04:16:34,523 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 [2024-11-28 04:16:34,523 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 [2024-11-28 04:16:34,524 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] [2024-11-28 04:16:34,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-28 04:16:34,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 255. [2024-11-28 04:16:34,572 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) [2024-11-28 04:16:34,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 342 transitions. [2024-11-28 04:16:34,574 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 342 transitions. Word has length 99 [2024-11-28 04:16:34,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:34,576 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 342 transitions. [2024-11-28 04:16:34,577 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) [2024-11-28 04:16:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 342 transitions. [2024-11-28 04:16:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:16:34,578 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:34,579 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] [2024-11-28 04:16:34,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:16:34,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:34,780 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:34,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:34,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1572870353, now seen corresponding path program 1 times [2024-11-28 04:16:34,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:34,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051377879] [2024-11-28 04:16:34,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:34,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:35,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:35,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051377879] [2024-11-28 04:16:35,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051377879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:35,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:35,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:16:35,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336443750] [2024-11-28 04:16:35,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:35,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:16:35,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:35,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:16:35,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:16:35,150 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) [2024-11-28 04:16:35,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:35,598 INFO L93 Difference]: Finished difference Result 626 states and 833 transitions. [2024-11-28 04:16:35,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:16:35,599 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 [2024-11-28 04:16:35,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:35,602 INFO L225 Difference]: With dead ends: 626 [2024-11-28 04:16:35,602 INFO L226 Difference]: Without dead ends: 390 [2024-11-28 04:16:35,603 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 [2024-11-28 04:16:35,604 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 155 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-28 04:16:35,604 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] [2024-11-28 04:16:35,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-28 04:16:35,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 267. [2024-11-28 04:16:35,660 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) [2024-11-28 04:16:35,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 360 transitions. [2024-11-28 04:16:35,663 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 360 transitions. Word has length 99 [2024-11-28 04:16:35,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:35,664 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 360 transitions. [2024-11-28 04:16:35,665 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) [2024-11-28 04:16:35,665 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 360 transitions. [2024-11-28 04:16:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:16:35,670 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:35,670 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] [2024-11-28 04:16:35,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:16:35,671 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:35,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:35,671 INFO L85 PathProgramCache]: Analyzing trace with hash 551801999, now seen corresponding path program 1 times [2024-11-28 04:16:35,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:35,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561128284] [2024-11-28 04:16:35,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:35,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:35,996 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:35,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:35,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561128284] [2024-11-28 04:16:35,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561128284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:35,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:35,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:16:35,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311333897] [2024-11-28 04:16:35,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:35,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:16:35,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:35,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:16:35,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:16:35,999 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) [2024-11-28 04:16:36,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:36,236 INFO L93 Difference]: Finished difference Result 618 states and 823 transitions. [2024-11-28 04:16:36,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:16:36,237 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 [2024-11-28 04:16:36,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:36,239 INFO L225 Difference]: With dead ends: 618 [2024-11-28 04:16:36,240 INFO L226 Difference]: Without dead ends: 370 [2024-11-28 04:16:36,240 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 [2024-11-28 04:16:36,241 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:36,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 571 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:16:36,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-28 04:16:36,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 237. [2024-11-28 04:16:36,277 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) [2024-11-28 04:16:36,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 315 transitions. [2024-11-28 04:16:36,279 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 315 transitions. Word has length 99 [2024-11-28 04:16:36,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:36,280 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 315 transitions. [2024-11-28 04:16:36,280 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) [2024-11-28 04:16:36,280 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 315 transitions. [2024-11-28 04:16:36,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:16:36,281 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:36,281 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] [2024-11-28 04:16:36,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:16:36,282 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:36,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:36,282 INFO L85 PathProgramCache]: Analyzing trace with hash -2001270962, now seen corresponding path program 1 times [2024-11-28 04:16:36,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:36,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374632847] [2024-11-28 04:16:36,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:36,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:16:36,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1357278368] [2024-11-28 04:16:36,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:36,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:36,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:36,373 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:36,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:16:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:36,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-28 04:16:36,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:38,378 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 [2024-11-28 04:16:38,890 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 [2024-11-28 04:16:39,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:16:39,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:16:39,837 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-28 04:16:39,837 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 [2024-11-28 04:16:39,978 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 [2024-11-28 04:16:39,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:16:39,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:16:39,998 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 [2024-11-28 04:16:40,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:16:40,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:16:40,513 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 [2024-11-28 04:16:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 04:16:40,545 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:16:40,637 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 [2024-11-28 04:16:45,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:45,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374632847] [2024-11-28 04:16:45,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:16:45,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357278368] [2024-11-28 04:16:45,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357278368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:16:45,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:16:45,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 04:16:45,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353466390] [2024-11-28 04:16:45,232 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:16:45,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:16:45,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:45,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:16:45,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=189, Unknown=1, NotChecked=0, Total=240 [2024-11-28 04:16:45,234 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) [2024-11-28 04:16:46,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:46,200 INFO L93 Difference]: Finished difference Result 682 states and 906 transitions. [2024-11-28 04:16:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:16:46,201 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 [2024-11-28 04:16:46,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:46,204 INFO L225 Difference]: With dead ends: 682 [2024-11-28 04:16:46,204 INFO L226 Difference]: Without dead ends: 448 [2024-11-28 04:16:46,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=93, Invalid=326, Unknown=1, NotChecked=0, Total=420 [2024-11-28 04:16:46,206 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 193 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:46,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1065 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:16:46,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-28 04:16:46,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 348. [2024-11-28 04:16:46,261 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) [2024-11-28 04:16:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 460 transitions. [2024-11-28 04:16:46,264 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 460 transitions. Word has length 99 [2024-11-28 04:16:46,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:46,264 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 460 transitions. [2024-11-28 04:16:46,264 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) [2024-11-28 04:16:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 460 transitions. [2024-11-28 04:16:46,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:16:46,266 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:46,266 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] [2024-11-28 04:16:46,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:16:46,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:46,467 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:46,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:46,467 INFO L85 PathProgramCache]: Analyzing trace with hash 325744351, now seen corresponding path program 1 times [2024-11-28 04:16:46,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:46,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97725294] [2024-11-28 04:16:46,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:46,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:46,658 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 04:16:46,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:46,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97725294] [2024-11-28 04:16:46,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97725294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:16:46,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052667075] [2024-11-28 04:16:46,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:46,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:46,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:46,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:46,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:16:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:46,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:16:46,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:46,929 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:16:46,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052667075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:46,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:16:46,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-11-28 04:16:46,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643347924] [2024-11-28 04:16:46,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:46,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:16:46,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:46,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:16:46,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:16:46,932 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) [2024-11-28 04:16:47,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:47,022 INFO L93 Difference]: Finished difference Result 590 states and 782 transitions. [2024-11-28 04:16:47,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:16:47,023 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 [2024-11-28 04:16:47,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:47,025 INFO L225 Difference]: With dead ends: 590 [2024-11-28 04:16:47,026 INFO L226 Difference]: Without dead ends: 356 [2024-11-28 04:16:47,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:16:47,027 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 [2024-11-28 04:16:47,027 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] [2024-11-28 04:16:47,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-28 04:16:47,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 353. [2024-11-28 04:16:47,102 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) [2024-11-28 04:16:47,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 465 transitions. [2024-11-28 04:16:47,104 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 465 transitions. Word has length 100 [2024-11-28 04:16:47,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:47,105 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 465 transitions. [2024-11-28 04:16:47,105 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) [2024-11-28 04:16:47,105 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 465 transitions. [2024-11-28 04:16:47,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:16:47,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:47,106 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] [2024-11-28 04:16:47,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:16:47,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:47,307 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:47,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:47,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1298355466, now seen corresponding path program 1 times [2024-11-28 04:16:47,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:47,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377191578] [2024-11-28 04:16:47,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:47,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:16:47,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795099276] [2024-11-28 04:16:47,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:47,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:47,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:47,394 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:47,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:16:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:16:47,810 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:16:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:16:48,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:16:48,062 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:16:48,063 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:16:48,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 04:16:48,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:48,273 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:48,427 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:16:48,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:16:48 BoogieIcfgContainer [2024-11-28 04:16:48,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:16:48,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:16:48,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:16:48,434 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:16:48,435 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:16:16" (3/4) ... [2024-11-28 04:16:48,437 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:16:48,438 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:16:48,439 INFO L158 Benchmark]: Toolchain (without parser) took 33216.83ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 107.5MB in the beginning and 459.4MB in the end (delta: -351.9MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2024-11-28 04:16:48,440 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 167.8MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:16:48,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.80ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 93.1MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:16:48,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.03ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 89.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:16:48,444 INFO L158 Benchmark]: Boogie Preprocessor took 86.48ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 86.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:16:48,444 INFO L158 Benchmark]: RCFGBuilder took 900.80ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 56.7MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 04:16:48,445 INFO L158 Benchmark]: TraceAbstraction took 31673.38ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 56.0MB in the beginning and 459.6MB in the end (delta: -403.6MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-11-28 04:16:48,445 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 578.8MB. Free memory was 459.6MB in the beginning and 459.4MB in the end (delta: 184.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:16:48,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45ms. Allocated memory is still 167.8MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.80ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 93.1MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.03ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 89.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 86.48ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 86.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 900.80ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 56.7MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 31673.38ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 56.0MB in the beginning and 459.6MB in the end (delta: -403.6MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 578.8MB. Free memory was 459.6MB in the beginning and 459.4MB in the end (delta: 184.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of 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: 31.5s, OverallIterations: 17, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1993 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1992 mSDsluCounter, 8636 SdHoareTripleChecker+Invalid, 3.0s 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, 8.3s 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: 0.8s AutomataMinimizationTime, 16 MinimizatonAttempts, 796 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 18.9s 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 [2024-11-28 04:16:48,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/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_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 642511f0cc57b1630f0ad0545fc5a6d0fb09b97407825981361747f93de7622e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:16:51,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:16:51,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:16:51,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:16:51,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:16:51,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:16:51,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:16:51,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:16:51,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:16:51,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:16:51,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:16:51,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:16:51,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:16:51,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:16:51,315 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:16:51,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:16:51,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:16:51,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:16:51,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:16:51,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:16:51,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:16:51,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:16:51,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:16:51,317 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:16:51,317 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:16:51,318 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:16:51,318 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:16:51,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:16:51,318 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:16:51,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:16:51,318 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:16:51,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:16:51,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:16:51,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:16:51,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:51,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:16:51,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:16:51,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:16:51,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:16:51,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:51,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:16:51,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:16:51,320 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:16:51,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:16:51,321 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:16:51,321 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:16:51,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:16:51,321 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:16:51,321 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:16:51,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:16:51,322 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_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 642511f0cc57b1630f0ad0545fc5a6d0fb09b97407825981361747f93de7622e [2024-11-28 04:16:51,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:16:51,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:16:51,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:16:51,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:16:51,729 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:16:51,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i [2024-11-28 04:16:54,841 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/data/92ae09f7e/64ad77dc86fc49958b76fe8b06a884f3/FLAG8232deead [2024-11-28 04:16:55,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:16:55,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i [2024-11-28 04:16:55,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/data/92ae09f7e/64ad77dc86fc49958b76fe8b06a884f3/FLAG8232deead [2024-11-28 04:16:55,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/data/92ae09f7e/64ad77dc86fc49958b76fe8b06a884f3 [2024-11-28 04:16:55,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:16:55,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:16:55,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:16:55,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:16:55,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:16:55,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:55,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c09035e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55, skipping insertion in model container [2024-11-28 04:16:55,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:55,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:16:55,617 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_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i[917,930] [2024-11-28 04:16:55,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:16:55,738 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:16:55,751 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_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-31.i[917,930] [2024-11-28 04:16:55,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:16:55,861 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:16:55,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55 WrapperNode [2024-11-28 04:16:55,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:16:55,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:16:55,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:16:55,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:16:55,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:55,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:55,974 INFO L138 Inliner]: procedures = 33, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 422 [2024-11-28 04:16:55,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:16:55,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:16:55,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:16:55,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:16:55,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:55,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:55,999 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:56,038 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]. [2024-11-28 04:16:56,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:56,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:56,065 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:56,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:56,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:56,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:56,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:56,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:16:56,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:16:56,097 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:16:56,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:16:56,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (1/1) ... [2024-11-28 04:16:56,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:56,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:56,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:16:56,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:16:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:16:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 04:16:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 04:16:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 04:16:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 04:16:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 04:16:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 04:16:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 04:16:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 04:16:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 04:16:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 04:16:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 04:16:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 04:16:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 04:16:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 04:16:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 04:16:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:16:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 04:16:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 04:16:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 04:16:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 04:16:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 04:16:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 04:16:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 04:16:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:16:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:16:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:16:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:16:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 04:16:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 04:16:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 04:16:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 04:16:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 04:16:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 04:16:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 04:16:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 04:16:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 04:16:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 04:16:56,349 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:16:56,352 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:16:57,152 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-28 04:16:57,152 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:16:57,165 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:16:57,166 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:16:57,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:16:57 BoogieIcfgContainer [2024-11-28 04:16:57,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:16:57,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:16:57,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:16:57,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:16:57,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:16:55" (1/3) ... [2024-11-28 04:16:57,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb73e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:16:57, skipping insertion in model container [2024-11-28 04:16:57,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:55" (2/3) ... [2024-11-28 04:16:57,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb73e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:16:57, skipping insertion in model container [2024-11-28 04:16:57,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:16:57" (3/3) ... [2024-11-28 04:16:57,178 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-31.i [2024-11-28 04:16:57,194 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:16:57,196 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. [2024-11-28 04:16:57,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:16:57,281 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;@2f2c4f7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:16:57,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:16:57,287 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) [2024-11-28 04:16:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 04:16:57,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:57,297 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] [2024-11-28 04:16:57,298 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:57,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:57,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1922605135, now seen corresponding path program 1 times [2024-11-28 04:16:57,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:16:57,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546686548] [2024-11-28 04:16:57,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:57,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:16:57,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:16:57,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:16:57,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 04:16:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:57,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:16:57,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-28 04:16:57,765 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:16:57,767 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:16:57,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546686548] [2024-11-28 04:16:57,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1546686548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:57,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:57,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:16:57,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140367326] [2024-11-28 04:16:57,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:57,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:16:57,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:16:57,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:16:57,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:16:57,802 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) [2024-11-28 04:16:57,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:57,832 INFO L93 Difference]: Finished difference Result 164 states and 256 transitions. [2024-11-28 04:16:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:16:57,834 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 [2024-11-28 04:16:57,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:57,841 INFO L225 Difference]: With dead ends: 164 [2024-11-28 04:16:57,841 INFO L226 Difference]: Without dead ends: 80 [2024-11-28 04:16:57,844 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 [2024-11-28 04:16:57,847 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 [2024-11-28 04:16:57,848 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] [2024-11-28 04:16:57,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-28 04:16:57,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-28 04:16:57,885 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) [2024-11-28 04:16:57,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2024-11-28 04:16:57,892 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 94 [2024-11-28 04:16:57,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:57,892 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2024-11-28 04:16:57,893 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) [2024-11-28 04:16:57,893 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2024-11-28 04:16:57,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 04:16:57,896 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:57,896 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] [2024-11-28 04:16:57,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:16:58,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:16:58,101 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:58,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:58,102 INFO L85 PathProgramCache]: Analyzing trace with hash 434162283, now seen corresponding path program 1 times [2024-11-28 04:16:58,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:16:58,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868959894] [2024-11-28 04:16:58,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:58,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:16:58,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:16:58,107 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:16:58,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 04:16:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:58,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:16:58,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:58,597 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 [2024-11-28 04:16:58,640 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:58,643 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:16:58,643 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:16:58,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868959894] [2024-11-28 04:16:58,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868959894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:58,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:58,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:16:58,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254020295] [2024-11-28 04:16:58,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:58,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:16:58,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:16:58,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:16:58,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:58,647 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) [2024-11-28 04:16:58,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:58,693 INFO L93 Difference]: Finished difference Result 157 states and 225 transitions. [2024-11-28 04:16:58,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:58,694 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 [2024-11-28 04:16:58,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:58,696 INFO L225 Difference]: With dead ends: 157 [2024-11-28 04:16:58,697 INFO L226 Difference]: Without dead ends: 80 [2024-11-28 04:16:58,698 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 [2024-11-28 04:16:58,699 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 [2024-11-28 04:16:58,700 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] [2024-11-28 04:16:58,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-28 04:16:58,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-28 04:16:58,717 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) [2024-11-28 04:16:58,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2024-11-28 04:16:58,721 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 94 [2024-11-28 04:16:58,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:58,722 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2024-11-28 04:16:58,723 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) [2024-11-28 04:16:58,723 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2024-11-28 04:16:58,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 04:16:58,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:58,728 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] [2024-11-28 04:16:58,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 04:16:58,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:16:58,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:16:58,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:58,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1154185619, now seen corresponding path program 1 times [2024-11-28 04:16:58,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:16:58,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661485954] [2024-11-28 04:16:58,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:58,934 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:16:58,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:16:58,936 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:16:58,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 04:16:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:59,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 04:16:59,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:02,781 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 [2024-11-28 04:17:02,910 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 [2024-11-28 04:17:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 121 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 04:17:03,296 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:03,502 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 [2024-11-28 04:17:04,015 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:17:04,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661485954] [2024-11-28 04:17:04,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661485954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:04,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [884055371] [2024-11-28 04:17:04,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:04,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:17:04,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:17:04,021 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:17:04,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-28 04:17:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:05,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 04:17:05,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:07,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 04:17:09,026 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 [2024-11-28 04:17:09,251 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 [2024-11-28 04:17:09,585 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 121 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 04:17:09,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:09,625 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 [2024-11-28 04:17:12,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [884055371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:12,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:17:12,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 22 [2024-11-28 04:17:12,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545333704] [2024-11-28 04:17:12,032 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:12,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 04:17:12,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:17:12,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 04:17:12,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:17:12,035 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) [2024-11-28 04:17:25,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:25,416 INFO L93 Difference]: Finished difference Result 472 states and 653 transitions. [2024-11-28 04:17:25,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-28 04:17:25,418 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 [2024-11-28 04:17:25,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:25,422 INFO L225 Difference]: With dead ends: 472 [2024-11-28 04:17:25,422 INFO L226 Difference]: Without dead ends: 395 [2024-11-28 04:17:25,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 201 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1518 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=967, Invalid=4145, Unknown=0, NotChecked=0, Total=5112 [2024-11-28 04:17:25,426 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 1405 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s 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, 5.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:25,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1405 Valid, 1077 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-28 04:17:25,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-28 04:17:25,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 194. [2024-11-28 04:17:25,469 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) [2024-11-28 04:17:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 268 transitions. [2024-11-28 04:17:25,471 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 268 transitions. Word has length 94 [2024-11-28 04:17:25,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:25,472 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 268 transitions. [2024-11-28 04:17:25,472 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) [2024-11-28 04:17:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 268 transitions. [2024-11-28 04:17:25,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 04:17:25,474 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:25,474 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] [2024-11-28 04:17:25,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-28 04:17:25,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 04:17:25,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:25,876 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:25,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:25,877 INFO L85 PathProgramCache]: Analyzing trace with hash -463624664, now seen corresponding path program 1 times [2024-11-28 04:17:25,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:17:25,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002492365] [2024-11-28 04:17:25,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:25,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:25,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:17:25,880 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:17:25,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 04:17:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:26,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:17:26,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:26,188 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 [2024-11-28 04:17:26,214 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:17:26,214 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:17:26,215 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:17:26,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002492365] [2024-11-28 04:17:26,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002492365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:26,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:26,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:17:26,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676090125] [2024-11-28 04:17:26,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:26,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:26,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:17:26,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:26,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:26,219 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) [2024-11-28 04:17:26,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:26,280 INFO L93 Difference]: Finished difference Result 329 states and 457 transitions. [2024-11-28 04:17:26,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:26,281 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 [2024-11-28 04:17:26,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:26,284 INFO L225 Difference]: With dead ends: 329 [2024-11-28 04:17:26,284 INFO L226 Difference]: Without dead ends: 194 [2024-11-28 04:17:26,285 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 [2024-11-28 04:17:26,285 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 [2024-11-28 04:17:26,286 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] [2024-11-28 04:17:26,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-28 04:17:26,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-28 04:17:26,320 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) [2024-11-28 04:17:26,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 266 transitions. [2024-11-28 04:17:26,322 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 266 transitions. Word has length 96 [2024-11-28 04:17:26,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:26,323 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 266 transitions. [2024-11-28 04:17:26,323 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) [2024-11-28 04:17:26,323 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 266 transitions. [2024-11-28 04:17:26,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 04:17:26,326 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:26,327 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] [2024-11-28 04:17:26,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-28 04:17:26,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:26,527 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:26,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:26,528 INFO L85 PathProgramCache]: Analyzing trace with hash -856651674, now seen corresponding path program 1 times [2024-11-28 04:17:26,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:17:26,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741059496] [2024-11-28 04:17:26,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:26,528 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:26,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:17:26,533 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:17:26,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 04:17:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:26,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 04:17:26,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:28,867 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 [2024-11-28 04:17:29,104 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 [2024-11-28 04:17:29,550 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 [2024-11-28 04:17:29,571 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:17:29,571 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 [2024-11-28 04:17:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:17:29,696 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:17:29,697 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:17:29,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741059496] [2024-11-28 04:17:29,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741059496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:29,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:29,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:17:29,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765092416] [2024-11-28 04:17:29,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:29,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:17:29,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:17:29,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:17:29,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:17:29,699 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) [2024-11-28 04:17:33,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:33,157 INFO L93 Difference]: Finished difference Result 392 states and 534 transitions. [2024-11-28 04:17:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:17:33,158 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 [2024-11-28 04:17:33,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:33,161 INFO L225 Difference]: With dead ends: 392 [2024-11-28 04:17:33,161 INFO L226 Difference]: Without dead ends: 257 [2024-11-28 04:17:33,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:17:33,163 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 234 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:33,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 755 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 04:17:33,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-28 04:17:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 206. [2024-11-28 04:17:33,207 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) [2024-11-28 04:17:33,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 276 transitions. [2024-11-28 04:17:33,210 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 276 transitions. Word has length 96 [2024-11-28 04:17:33,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:33,211 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 276 transitions. [2024-11-28 04:17:33,211 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) [2024-11-28 04:17:33,211 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 276 transitions. [2024-11-28 04:17:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 04:17:33,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:33,213 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] [2024-11-28 04:17:33,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-28 04:17:33,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:33,417 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:33,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:33,418 INFO L85 PathProgramCache]: Analyzing trace with hash 916608243, now seen corresponding path program 1 times [2024-11-28 04:17:33,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:17:33,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456756243] [2024-11-28 04:17:33,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:33,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:33,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:17:33,423 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:17:33,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-28 04:17:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:33,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:17:33,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:33,752 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:17:33,752 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:17:33,752 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:17:33,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456756243] [2024-11-28 04:17:33,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [456756243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:33,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:33,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:17:33,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015317355] [2024-11-28 04:17:33,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:33,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:17:33,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:17:33,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:17:33,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:17:33,755 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) [2024-11-28 04:17:33,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:33,824 INFO L93 Difference]: Finished difference Result 357 states and 480 transitions. [2024-11-28 04:17:33,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:17:33,825 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 [2024-11-28 04:17:33,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:33,827 INFO L225 Difference]: With dead ends: 357 [2024-11-28 04:17:33,827 INFO L226 Difference]: Without dead ends: 208 [2024-11-28 04:17:33,828 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 [2024-11-28 04:17:33,828 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 [2024-11-28 04:17:33,829 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] [2024-11-28 04:17:33,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-28 04:17:33,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-11-28 04:17:33,864 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) [2024-11-28 04:17:33,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 278 transitions. [2024-11-28 04:17:33,865 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 278 transitions. Word has length 96 [2024-11-28 04:17:33,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:33,866 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 278 transitions. [2024-11-28 04:17:33,866 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) [2024-11-28 04:17:33,866 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 278 transitions. [2024-11-28 04:17:33,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 04:17:33,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:33,867 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] [2024-11-28 04:17:33,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-28 04:17:34,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:34,072 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:34,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:34,072 INFO L85 PathProgramCache]: Analyzing trace with hash 329802229, now seen corresponding path program 1 times [2024-11-28 04:17:34,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:17:34,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756330988] [2024-11-28 04:17:34,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:34,073 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:34,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:17:34,074 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:17:34,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-28 04:17:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:34,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:17:34,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 117 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 04:17:35,233 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:17:35,441 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:17:35,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756330988] [2024-11-28 04:17:35,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756330988] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:35,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:17:35,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-28 04:17:35,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466427599] [2024-11-28 04:17:35,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:35,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:17:35,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:17:35,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:17:35,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:17:35,443 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) [2024-11-28 04:17:35,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:35,654 INFO L93 Difference]: Finished difference Result 388 states and 518 transitions. [2024-11-28 04:17:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:17:35,655 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 [2024-11-28 04:17:35,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:35,657 INFO L225 Difference]: With dead ends: 388 [2024-11-28 04:17:35,658 INFO L226 Difference]: Without dead ends: 240 [2024-11-28 04:17:35,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:17:35,659 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 [2024-11-28 04:17:35,659 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] [2024-11-28 04:17:35,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-28 04:17:35,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 208. [2024-11-28 04:17:35,702 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) [2024-11-28 04:17:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 276 transitions. [2024-11-28 04:17:35,705 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 276 transitions. Word has length 96 [2024-11-28 04:17:35,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:35,705 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 276 transitions. [2024-11-28 04:17:35,706 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) [2024-11-28 04:17:35,706 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 276 transitions. [2024-11-28 04:17:35,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 04:17:35,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:35,707 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] [2024-11-28 04:17:35,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-28 04:17:35,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:35,908 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:35,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:35,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1874819353, now seen corresponding path program 1 times [2024-11-28 04:17:35,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:17:35,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149812616] [2024-11-28 04:17:35,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:35,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:35,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:17:35,912 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:17:35,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-28 04:17:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:36,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:17:36,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:36,949 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 [2024-11-28 04:17:37,010 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 117 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 04:17:37,010 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:17:37,266 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:17:37,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149812616] [2024-11-28 04:17:37,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149812616] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:37,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:17:37,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-28 04:17:37,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350662949] [2024-11-28 04:17:37,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:37,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:17:37,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:17:37,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:17:37,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:17:37,267 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) [2024-11-28 04:17:37,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:37,503 INFO L93 Difference]: Finished difference Result 381 states and 504 transitions. [2024-11-28 04:17:37,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:17:37,504 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 [2024-11-28 04:17:37,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:37,506 INFO L225 Difference]: With dead ends: 381 [2024-11-28 04:17:37,506 INFO L226 Difference]: Without dead ends: 233 [2024-11-28 04:17:37,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:17:37,509 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 34 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:37,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 398 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:17:37,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-28 04:17:37,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 208. [2024-11-28 04:17:37,552 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) [2024-11-28 04:17:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 275 transitions. [2024-11-28 04:17:37,554 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 275 transitions. Word has length 97 [2024-11-28 04:17:37,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:37,555 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 275 transitions. [2024-11-28 04:17:37,555 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) [2024-11-28 04:17:37,555 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 275 transitions. [2024-11-28 04:17:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 04:17:37,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:37,557 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] [2024-11-28 04:17:37,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-28 04:17:37,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:37,758 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:37,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:37,758 INFO L85 PathProgramCache]: Analyzing trace with hash -421311151, now seen corresponding path program 1 times [2024-11-28 04:17:37,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:17:37,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991610088] [2024-11-28 04:17:37,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:37,759 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:37,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:17:37,760 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:17:37,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-28 04:17:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:38,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:17:38,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:39,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 04:17:40,158 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 [2024-11-28 04:17:40,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:17:40,539 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 [2024-11-28 04:17:40,612 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 04:17:40,612 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:17:40,907 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:17:40,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991610088] [2024-11-28 04:17:40,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991610088] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:40,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:17:40,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2024-11-28 04:17:40,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187199922] [2024-11-28 04:17:40,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:40,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:17:40,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:17:40,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:17:40,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:17:40,909 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) [2024-11-28 04:17:41,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:41,410 INFO L93 Difference]: Finished difference Result 489 states and 643 transitions. [2024-11-28 04:17:41,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:17:41,411 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 [2024-11-28 04:17:41,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:41,414 INFO L225 Difference]: With dead ends: 489 [2024-11-28 04:17:41,414 INFO L226 Difference]: Without dead ends: 348 [2024-11-28 04:17:41,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:17:41,415 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 87 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-28 04:17:41,416 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] [2024-11-28 04:17:41,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-28 04:17:41,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 345. [2024-11-28 04:17:41,490 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) [2024-11-28 04:17:41,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 454 transitions. [2024-11-28 04:17:41,493 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 454 transitions. Word has length 98 [2024-11-28 04:17:41,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:41,494 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 454 transitions. [2024-11-28 04:17:41,494 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) [2024-11-28 04:17:41,494 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 454 transitions. [2024-11-28 04:17:41,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:17:41,496 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:41,496 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] [2024-11-28 04:17:41,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-28 04:17:41,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:41,697 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:41,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:41,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1036545903, now seen corresponding path program 1 times [2024-11-28 04:17:41,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:17:41,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1235260553] [2024-11-28 04:17:41,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:41,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:41,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:17:41,699 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:17:41,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-28 04:17:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:41,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:17:41,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:42,071 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:17:42,072 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:17:42,072 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:17:42,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1235260553] [2024-11-28 04:17:42,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1235260553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:42,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:42,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:17:42,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270782334] [2024-11-28 04:17:42,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:42,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:17:42,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:17:42,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:17:42,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:17:42,073 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) [2024-11-28 04:17:42,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:42,354 INFO L93 Difference]: Finished difference Result 736 states and 969 transitions. [2024-11-28 04:17:42,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:17:42,355 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 [2024-11-28 04:17:42,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:42,357 INFO L225 Difference]: With dead ends: 736 [2024-11-28 04:17:42,357 INFO L226 Difference]: Without dead ends: 452 [2024-11-28 04:17:42,358 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 [2024-11-28 04:17:42,359 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 42 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-28 04:17:42,359 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] [2024-11-28 04:17:42,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-28 04:17:42,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 357. [2024-11-28 04:17:42,426 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) [2024-11-28 04:17:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 466 transitions. [2024-11-28 04:17:42,430 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 466 transitions. Word has length 99 [2024-11-28 04:17:42,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:42,430 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 466 transitions. [2024-11-28 04:17:42,431 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) [2024-11-28 04:17:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 466 transitions. [2024-11-28 04:17:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:17:42,432 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:42,432 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] [2024-11-28 04:17:42,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-28 04:17:42,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:42,634 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:42,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:42,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1365186479, now seen corresponding path program 1 times [2024-11-28 04:17:42,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:17:42,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869442791] [2024-11-28 04:17:42,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:42,636 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:42,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:17:42,639 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:17:42,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-28 04:17:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:43,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:17:43,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:17:43,076 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:17:43,076 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:17:43,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869442791] [2024-11-28 04:17:43,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869442791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:43,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:43,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:17:43,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60455846] [2024-11-28 04:17:43,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:43,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:17:43,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:17:43,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:17:43,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:17:43,077 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) [2024-11-28 04:17:43,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:43,214 INFO L93 Difference]: Finished difference Result 654 states and 853 transitions. [2024-11-28 04:17:43,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:17:43,215 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 [2024-11-28 04:17:43,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:43,218 INFO L225 Difference]: With dead ends: 654 [2024-11-28 04:17:43,218 INFO L226 Difference]: Without dead ends: 366 [2024-11-28 04:17:43,219 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 [2024-11-28 04:17:43,220 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 [2024-11-28 04:17:43,220 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] [2024-11-28 04:17:43,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-28 04:17:43,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 364. [2024-11-28 04:17:43,285 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) [2024-11-28 04:17:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 473 transitions. [2024-11-28 04:17:43,289 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 473 transitions. Word has length 99 [2024-11-28 04:17:43,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:43,290 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 473 transitions. [2024-11-28 04:17:43,290 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) [2024-11-28 04:17:43,290 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 473 transitions. [2024-11-28 04:17:43,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:17:43,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:43,291 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] [2024-11-28 04:17:43,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-28 04:17:43,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:43,492 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:43,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:43,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1572870353, now seen corresponding path program 1 times [2024-11-28 04:17:43,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:17:43,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232026937] [2024-11-28 04:17:43,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:43,493 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:43,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:17:43,498 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:17:43,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-28 04:17:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:43,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 04:17:43,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:46,006 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 [2024-11-28 04:17:46,094 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 [2024-11-28 04:17:46,140 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 121 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 04:17:46,140 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:46,411 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:17:46,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232026937] [2024-11-28 04:17:46,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232026937] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:46,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1838631641] [2024-11-28 04:17:46,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:46,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:17:46,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:17:46,414 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:17:46,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-28 04:17:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:47,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 04:17:47,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:49,867 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 [2024-11-28 04:17:50,909 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 [2024-11-28 04:17:51,072 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 [2024-11-28 04:17:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 04:17:51,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:17:51,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1838631641] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:51,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:17:51,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 8] total 20 [2024-11-28 04:17:51,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426173175] [2024-11-28 04:17:51,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:51,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:17:51,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:17:51,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:17:51,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:17:51,687 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) [2024-11-28 04:17:52,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:52,221 INFO L93 Difference]: Finished difference Result 827 states and 1073 transitions. [2024-11-28 04:17:52,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:17:52,222 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 [2024-11-28 04:17:52,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:52,226 INFO L225 Difference]: With dead ends: 827 [2024-11-28 04:17:52,226 INFO L226 Difference]: Without dead ends: 533 [2024-11-28 04:17:52,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:17:52,229 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 62 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:52,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 724 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:17:52,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-28 04:17:52,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 376. [2024-11-28 04:17:52,303 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) [2024-11-28 04:17:52,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 491 transitions. [2024-11-28 04:17:52,305 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 491 transitions. Word has length 99 [2024-11-28 04:17:52,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:52,306 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 491 transitions. [2024-11-28 04:17:52,306 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) [2024-11-28 04:17:52,306 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 491 transitions. [2024-11-28 04:17:52,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:17:52,307 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:52,307 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] [2024-11-28 04:17:52,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-28 04:17:52,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-28 04:17:52,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 04:17:52,708 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:52,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:52,709 INFO L85 PathProgramCache]: Analyzing trace with hash 551801999, now seen corresponding path program 1 times [2024-11-28 04:17:52,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:17:52,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820149366] [2024-11-28 04:17:52,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:52,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:52,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:17:52,711 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:17:52,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-28 04:17:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:53,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:17:53,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:17:53,133 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:17:53,133 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:17:53,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820149366] [2024-11-28 04:17:53,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820149366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:53,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:53,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:17:53,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098367236] [2024-11-28 04:17:53,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:53,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:17:53,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:17:53,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:17:53,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:17:53,135 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) [2024-11-28 04:17:53,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:53,657 INFO L93 Difference]: Finished difference Result 816 states and 1057 transitions. [2024-11-28 04:17:53,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:17:53,659 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 [2024-11-28 04:17:53,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:53,662 INFO L225 Difference]: With dead ends: 816 [2024-11-28 04:17:53,662 INFO L226 Difference]: Without dead ends: 511 [2024-11-28 04:17:53,663 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 [2024-11-28 04:17:53,664 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 64 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:53,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 443 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:17:53,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-28 04:17:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 362. [2024-11-28 04:17:53,728 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) [2024-11-28 04:17:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 467 transitions. [2024-11-28 04:17:53,730 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 467 transitions. Word has length 99 [2024-11-28 04:17:53,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:53,731 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 467 transitions. [2024-11-28 04:17:53,731 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) [2024-11-28 04:17:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 467 transitions. [2024-11-28 04:17:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:17:53,732 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:53,733 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] [2024-11-28 04:17:53,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2024-11-28 04:17:53,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:53,933 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:53,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:53,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2001270962, now seen corresponding path program 1 times [2024-11-28 04:17:53,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:17:53,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41727263] [2024-11-28 04:17:53,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:53,934 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:17:53,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:17:53,937 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:17:53,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-28 04:17:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:54,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 04:17:54,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:54,922 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 [2024-11-28 04:18:01,731 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 [2024-11-28 04:18:03,917 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 [2024-11-28 04:18:04,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:18:04,885 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 [2024-11-28 04:18:04,893 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 [2024-11-28 04:18:05,554 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:18:05,555 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 [2024-11-28 04:18:05,702 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 131 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-28 04:18:05,702 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:18:20,153 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:18:20,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41727263] [2024-11-28 04:18:20,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41727263] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:18:20,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2017769188] [2024-11-28 04:18:20,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:20,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:18:20,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:18:20,155 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:18:20,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-28 04:18:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:21,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-28 04:18:21,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:18:27,444 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 [2024-11-28 04:18:29,256 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 [2024-11-28 04:18:32,124 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 [2024-11-28 04:18:35,327 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 [2024-11-28 04:18:36,160 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 [2024-11-28 04:18:36,168 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 [2024-11-28 04:18:37,152 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 [2024-11-28 04:18:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 131 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-28 04:18:37,414 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:18:53,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2017769188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:18:53,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:18:53,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 29 [2024-11-28 04:18:53,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885643432] [2024-11-28 04:18:53,010 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:18:53,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-28 04:18:53,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:18:53,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-28 04:18:53,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=1494, Unknown=2, NotChecked=0, Total=1722 [2024-11-28 04:18:53,012 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) [2024-11-28 04:19:07,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:07,696 INFO L93 Difference]: Finished difference Result 808 states and 1036 transitions. [2024-11-28 04:19:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-28 04:19:07,698 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 [2024-11-28 04:19:07,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:07,701 INFO L225 Difference]: With dead ends: 808 [2024-11-28 04:19:07,701 INFO L226 Difference]: Without dead ends: 520 [2024-11-28 04:19:07,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 40.5s TimeCoverageRelationStatistics Valid=830, Invalid=3724, Unknown=2, NotChecked=0, Total=4556 [2024-11-28 04:19:07,704 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 915 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s 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, 6.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:07,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 2219 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-28 04:19:07,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-11-28 04:19:07,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 407. [2024-11-28 04:19:07,779 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) [2024-11-28 04:19:07,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 521 transitions. [2024-11-28 04:19:07,782 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 521 transitions. Word has length 99 [2024-11-28 04:19:07,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:07,782 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 521 transitions. [2024-11-28 04:19:07,783 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) [2024-11-28 04:19:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 521 transitions. [2024-11-28 04:19:07,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:19:07,784 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:07,784 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] [2024-11-28 04:19:07,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-28 04:19:07,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-28 04:19:08,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 04:19:08,185 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:19:08,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:08,186 INFO L85 PathProgramCache]: Analyzing trace with hash 325744351, now seen corresponding path program 1 times [2024-11-28 04:19:08,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:19:08,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665713130] [2024-11-28 04:19:08,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:08,186 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:19:08,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:19:08,188 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:19:08,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-28 04:19:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:08,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:19:08,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:19:08,597 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:19:08,597 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:19:08,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665713130] [2024-11-28 04:19:08,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665713130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:08,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:08,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:19:08,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996246820] [2024-11-28 04:19:08,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:08,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:19:08,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:19:08,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:19:08,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:19:08,600 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) [2024-11-28 04:19:08,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:08,757 INFO L93 Difference]: Finished difference Result 701 states and 901 transitions. [2024-11-28 04:19:08,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:19:08,758 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 [2024-11-28 04:19:08,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:08,761 INFO L225 Difference]: With dead ends: 701 [2024-11-28 04:19:08,761 INFO L226 Difference]: Without dead ends: 413 [2024-11-28 04:19:08,762 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 [2024-11-28 04:19:08,763 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 [2024-11-28 04:19:08,763 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] [2024-11-28 04:19:08,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-28 04:19:08,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2024-11-28 04:19:08,847 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) [2024-11-28 04:19:08,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 519 transitions. [2024-11-28 04:19:08,849 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 519 transitions. Word has length 100 [2024-11-28 04:19:08,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:08,850 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 519 transitions. [2024-11-28 04:19:08,850 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) [2024-11-28 04:19:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 519 transitions. [2024-11-28 04:19:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:19:08,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:08,852 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] [2024-11-28 04:19:08,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-28 04:19:09,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:19:09,056 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:19:09,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:09,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1298355466, now seen corresponding path program 1 times [2024-11-28 04:19:09,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:19:09,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134439745] [2024-11-28 04:19:09,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:09,058 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:19:09,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:19:09,060 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:19:09,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-28 04:19:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:09,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 04:19:09,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:10,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-28 04:19:13,877 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 158 treesize of output 96 [2024-11-28 04:19:15,293 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:19:15,294 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 [2024-11-28 04:19:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 04:19:15,588 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:19:17,057 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:19:17,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134439745] [2024-11-28 04:19:17,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1134439745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:19:17,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1016518286] [2024-11-28 04:19:17,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:17,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:19:17,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:19:17,060 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:19:17,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-28 04:19:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:18,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 04:19:18,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:20,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-28 04:19:24,021 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 [2024-11-28 04:19:25,488 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 [2024-11-28 04:19:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 04:19:25,543 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:19:26,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1016518286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:19:26,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:19:26,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2024-11-28 04:19:26,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652404034] [2024-11-28 04:19:26,510 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:19:26,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:19:26,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:19:26,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:19:26,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:19:26,511 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) [2024-11-28 04:19:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:32,342 INFO L93 Difference]: Finished difference Result 1048 states and 1322 transitions. [2024-11-28 04:19:32,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:19:32,343 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 [2024-11-28 04:19:32,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:32,347 INFO L225 Difference]: With dead ends: 1048 [2024-11-28 04:19:32,348 INFO L226 Difference]: Without dead ends: 1046 [2024-11-28 04:19:32,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2024-11-28 04:19:32,349 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 407 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:32,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 971 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-28 04:19:32,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2024-11-28 04:19:32,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 1034. [2024-11-28 04:19:32,548 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) [2024-11-28 04:19:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1307 transitions. [2024-11-28 04:19:32,554 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1307 transitions. Word has length 100 [2024-11-28 04:19:32,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:32,554 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1307 transitions. [2024-11-28 04:19:32,554 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) [2024-11-28 04:19:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1307 transitions. [2024-11-28 04:19:32,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:19:32,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:32,556 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] [2024-11-28 04:19:32,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-28 04:19:32,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-28 04:19:32,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 04:19:32,957 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:19:32,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:32,958 INFO L85 PathProgramCache]: Analyzing trace with hash 2029261176, now seen corresponding path program 1 times [2024-11-28 04:19:32,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:19:32,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918627469] [2024-11-28 04:19:32,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:32,958 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:19:32,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:19:32,961 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:19:32,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-28 04:19:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:33,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:19:33,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 04:19:33,259 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:19:33,259 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:19:33,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918627469] [2024-11-28 04:19:33,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1918627469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:33,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:33,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:19:33,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921081157] [2024-11-28 04:19:33,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:33,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:19:33,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:19:33,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:19:33,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:19:33,263 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) [2024-11-28 04:19:33,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:33,485 INFO L93 Difference]: Finished difference Result 1897 states and 2400 transitions. [2024-11-28 04:19:33,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:19:33,485 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 [2024-11-28 04:19:33,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:33,489 INFO L225 Difference]: With dead ends: 1897 [2024-11-28 04:19:33,490 INFO L226 Difference]: Without dead ends: 1034 [2024-11-28 04:19:33,491 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 [2024-11-28 04:19:33,492 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 [2024-11-28 04:19:33,492 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] [2024-11-28 04:19:33,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-11-28 04:19:33,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2024-11-28 04:19:33,699 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) [2024-11-28 04:19:33,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1302 transitions. [2024-11-28 04:19:33,704 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1302 transitions. Word has length 100 [2024-11-28 04:19:33,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:33,705 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1302 transitions. [2024-11-28 04:19:33,705 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) [2024-11-28 04:19:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1302 transitions. [2024-11-28 04:19:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 04:19:33,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:33,707 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] [2024-11-28 04:19:33,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2024-11-28 04:19:33,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:19:33,908 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:19:33,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:33,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1855279878, now seen corresponding path program 1 times [2024-11-28 04:19:33,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:19:33,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211599068] [2024-11-28 04:19:33,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:33,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:19:33,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:19:33,911 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:19:33,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-28 04:19:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:34,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:19:34,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:34,278 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-28 04:19:34,278 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:19:34,278 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:19:34,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211599068] [2024-11-28 04:19:34,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211599068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:34,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:34,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:19:34,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927904119] [2024-11-28 04:19:34,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:34,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:19:34,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:19:34,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:19:34,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:19:34,279 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) [2024-11-28 04:19:34,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:34,719 INFO L93 Difference]: Finished difference Result 1936 states and 2435 transitions. [2024-11-28 04:19:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:19:34,720 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 [2024-11-28 04:19:34,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:34,725 INFO L225 Difference]: With dead ends: 1936 [2024-11-28 04:19:34,725 INFO L226 Difference]: Without dead ends: 1068 [2024-11-28 04:19:34,727 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 [2024-11-28 04:19:34,727 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 [2024-11-28 04:19:34,728 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] [2024-11-28 04:19:34,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-11-28 04:19:34,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1034. [2024-11-28 04:19:34,890 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) [2024-11-28 04:19:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1297 transitions. [2024-11-28 04:19:34,894 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1297 transitions. Word has length 102 [2024-11-28 04:19:34,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:34,895 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1297 transitions. [2024-11-28 04:19:34,895 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) [2024-11-28 04:19:34,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1297 transitions. [2024-11-28 04:19:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 04:19:34,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:34,897 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] [2024-11-28 04:19:34,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-28 04:19:35,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:19:35,098 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:19:35,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:35,099 INFO L85 PathProgramCache]: Analyzing trace with hash 531229628, now seen corresponding path program 1 times [2024-11-28 04:19:35,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:19:35,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1046635034] [2024-11-28 04:19:35,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:35,100 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:19:35,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:19:35,102 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:19:35,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-28 04:19:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:35,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 04:19:35,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:36,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-28 04:19:44,154 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 [2024-11-28 04:19:45,703 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:19:45,704 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 [2024-11-28 04:19:46,036 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 04:19:46,036 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:19:47,613 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:19:47,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1046635034] [2024-11-28 04:19:47,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1046635034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:19:47,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1899950765] [2024-11-28 04:19:47,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:47,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:19:47,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:19:47,616 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:19:47,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-28 04:19:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:49,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-28 04:19:49,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:54,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-28 04:20:08,638 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 [2024-11-28 04:20:10,719 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 [2024-11-28 04:20:10,776 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 04:20:10,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:11,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1899950765] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:11,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:20:11,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-28 04:20:11,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110971692] [2024-11-28 04:20:11,599 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:11,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 04:20:11,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:20:11,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 04:20:11,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=809, Unknown=3, NotChecked=0, Total=930 [2024-11-28 04:20:11,601 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) [2024-11-28 04:20:18,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:20:23,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:23,811 INFO L93 Difference]: Finished difference Result 1344 states and 1665 transitions. [2024-11-28 04:20:23,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 04:20:23,812 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 [2024-11-28 04:20:23,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:23,817 INFO L225 Difference]: With dead ends: 1344 [2024-11-28 04:20:23,817 INFO L226 Difference]: Without dead ends: 1342 [2024-11-28 04:20:23,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 227 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=417, Invalid=1932, Unknown=3, NotChecked=0, Total=2352 [2024-11-28 04:20:23,819 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 585 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s 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, 8.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:23,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 1280 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-11-28 04:20:23,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-11-28 04:20:24,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 962. [2024-11-28 04:20:24,026 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) [2024-11-28 04:20:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1192 transitions. [2024-11-28 04:20:24,031 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1192 transitions. Word has length 102 [2024-11-28 04:20:24,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:24,031 INFO L471 AbstractCegarLoop]: Abstraction has 962 states and 1192 transitions. [2024-11-28 04:20:24,031 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) [2024-11-28 04:20:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1192 transitions. [2024-11-28 04:20:24,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 04:20:24,033 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:24,033 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] [2024-11-28 04:20:24,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-28 04:20:24,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-28 04:20:24,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 04:20:24,434 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:20:24,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:24,435 INFO L85 PathProgramCache]: Analyzing trace with hash -944868170, now seen corresponding path program 1 times [2024-11-28 04:20:24,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:20:24,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81234477] [2024-11-28 04:20:24,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:24,436 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 [2024-11-28 04:20:24,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:20:24,440 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:20:24,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-28 04:20:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:24,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 04:20:24,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:25,686 INFO L349 Elim1Store]: treesize reduction 24, result has 31.4 percent of original size [2024-11-28 04:20:25,686 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 [2024-11-28 04:20:27,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:20:27,044 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 [2024-11-28 04:20:27,052 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 [2024-11-28 04:20:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:20:27,352 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:20:27,352 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:20:27,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81234477] [2024-11-28 04:20:27,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81234477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:27,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:27,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:20:27,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566069312] [2024-11-28 04:20:27,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:27,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:20:27,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:20:27,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:20:27,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:20:27,354 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) [2024-11-28 04:20:34,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:34,148 INFO L93 Difference]: Finished difference Result 2071 states and 2559 transitions. [2024-11-28 04:20:34,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:20:34,149 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 [2024-11-28 04:20:34,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:34,152 INFO L225 Difference]: With dead ends: 2071 [2024-11-28 04:20:34,153 INFO L226 Difference]: Without dead ends: 1385 [2024-11-28 04:20:34,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:20:34,155 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 251 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 33 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:34,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 877 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 506 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2024-11-28 04:20:34,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-11-28 04:20:34,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1090. [2024-11-28 04:20:34,466 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) [2024-11-28 04:20:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1348 transitions. [2024-11-28 04:20:34,472 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1348 transitions. Word has length 103 [2024-11-28 04:20:34,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:34,472 INFO L471 AbstractCegarLoop]: Abstraction has 1090 states and 1348 transitions. [2024-11-28 04:20:34,472 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) [2024-11-28 04:20:34,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1348 transitions. [2024-11-28 04:20:34,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 04:20:34,474 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:34,475 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] [2024-11-28 04:20:34,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2024-11-28 04:20:34,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:20:34,675 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:20:34,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:34,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1351234095, now seen corresponding path program 1 times [2024-11-28 04:20:34,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:20:34,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979584945] [2024-11-28 04:20:34,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:34,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:20:34,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:20:34,678 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:20:34,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-28 04:20:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:35,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 04:20:35,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:36,028 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 117 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 04:20:36,028 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:36,367 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:20:36,367 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:20:36,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979584945] [2024-11-28 04:20:36,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979584945] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:36,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:20:36,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2024-11-28 04:20:36,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14863024] [2024-11-28 04:20:36,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:36,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:20:36,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:20:36,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:20:36,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:20:36,369 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) [2024-11-28 04:20:36,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:36,743 INFO L93 Difference]: Finished difference Result 1985 states and 2453 transitions. [2024-11-28 04:20:36,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:20:36,743 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 [2024-11-28 04:20:36,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:36,748 INFO L225 Difference]: With dead ends: 1985 [2024-11-28 04:20:36,748 INFO L226 Difference]: Without dead ends: 1171 [2024-11-28 04:20:36,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:20:36,750 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:36,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 295 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:20:36,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2024-11-28 04:20:37,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1132. [2024-11-28 04:20:37,078 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) [2024-11-28 04:20:37,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1391 transitions. [2024-11-28 04:20:37,082 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1391 transitions. Word has length 103 [2024-11-28 04:20:37,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:37,083 INFO L471 AbstractCegarLoop]: Abstraction has 1132 states and 1391 transitions. [2024-11-28 04:20:37,083 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) [2024-11-28 04:20:37,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1391 transitions. [2024-11-28 04:20:37,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 04:20:37,084 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:37,085 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] [2024-11-28 04:20:37,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-28 04:20:37,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:20:37,285 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:20:37,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:37,286 INFO L85 PathProgramCache]: Analyzing trace with hash -541887469, now seen corresponding path program 1 times [2024-11-28 04:20:37,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:20:37,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336819150] [2024-11-28 04:20:37,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:37,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:20:37,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:20:37,289 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:20:37,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-28 04:20:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:37,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 04:20:37,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:38,317 INFO L349 Elim1Store]: treesize reduction 24, result has 31.4 percent of original size [2024-11-28 04:20:38,317 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 [2024-11-28 04:20:39,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:20:39,775 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 [2024-11-28 04:20:39,786 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 [2024-11-28 04:20:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:20:40,111 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:20:40,111 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:20:40,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336819150] [2024-11-28 04:20:40,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1336819150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:40,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:40,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:20:40,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521808058] [2024-11-28 04:20:40,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:40,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:20:40,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:20:40,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:20:40,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:20:40,113 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) [2024-11-28 04:20:46,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:46,700 INFO L93 Difference]: Finished difference Result 2002 states and 2441 transitions. [2024-11-28 04:20:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:20:46,701 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 [2024-11-28 04:20:46,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:46,707 INFO L225 Difference]: With dead ends: 2002 [2024-11-28 04:20:46,707 INFO L226 Difference]: Without dead ends: 1187 [2024-11-28 04:20:46,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:20:46,710 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 207 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:46,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 660 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-28 04:20:46,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-11-28 04:20:47,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1088. [2024-11-28 04:20:47,003 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) [2024-11-28 04:20:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1328 transitions. [2024-11-28 04:20:47,007 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1328 transitions. Word has length 103 [2024-11-28 04:20:47,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:47,007 INFO L471 AbstractCegarLoop]: Abstraction has 1088 states and 1328 transitions. [2024-11-28 04:20:47,007 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) [2024-11-28 04:20:47,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1328 transitions. [2024-11-28 04:20:47,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 04:20:47,009 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:47,009 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] [2024-11-28 04:20:47,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2024-11-28 04:20:47,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:20:47,209 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:20:47,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:47,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1812975801, now seen corresponding path program 1 times [2024-11-28 04:20:47,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:20:47,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88688615] [2024-11-28 04:20:47,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:47,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:20:47,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:20:47,212 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:20:47,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-28 04:20:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:47,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-28 04:20:47,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:49,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-28 04:20:52,380 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 [2024-11-28 04:20:53,985 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:20:53,985 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 [2024-11-28 04:20:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 04:20:54,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:55,923 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:20:55,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88688615] [2024-11-28 04:20:55,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [88688615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:55,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [919697870] [2024-11-28 04:20:55,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:55,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:20:55,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:20:55,925 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:20:55,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-28 04:20:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:57,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 04:20:57,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:58,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-28 04:21:03,555 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 [2024-11-28 04:21:05,584 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 [2024-11-28 04:21:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 04:21:05,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:21:07,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [919697870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:21:07,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:21:07,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2024-11-28 04:21:07,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978248336] [2024-11-28 04:21:07,591 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:21:07,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 04:21:07,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:21:07,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 04:21:07,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:21:07,592 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) [2024-11-28 04:21:14,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:14,013 INFO L93 Difference]: Finished difference Result 1602 states and 1945 transitions. [2024-11-28 04:21:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:21:14,014 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 [2024-11-28 04:21:14,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:14,018 INFO L225 Difference]: With dead ends: 1602 [2024-11-28 04:21:14,018 INFO L226 Difference]: Without dead ends: 1600 [2024-11-28 04:21:14,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=185, Invalid=1005, Unknown=0, NotChecked=0, Total=1190 [2024-11-28 04:21:14,019 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 389 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:14,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1100 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 04:21:14,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2024-11-28 04:21:14,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1276. [2024-11-28 04:21:14,288 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) [2024-11-28 04:21:14,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1554 transitions. [2024-11-28 04:21:14,292 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1554 transitions. Word has length 105 [2024-11-28 04:21:14,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:14,293 INFO L471 AbstractCegarLoop]: Abstraction has 1276 states and 1554 transitions. [2024-11-28 04:21:14,293 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) [2024-11-28 04:21:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1554 transitions. [2024-11-28 04:21:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 04:21:14,298 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:14,298 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] [2024-11-28 04:21:14,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-11-28 04:21:14,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-28 04:21:14,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 04:21:14,702 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:14,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:14,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1061662125, now seen corresponding path program 1 times [2024-11-28 04:21:14,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:21:14,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191676071] [2024-11-28 04:21:14,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:14,703 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:21:14,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:21:14,705 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:21:14,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-28 04:21:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:15,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:21:15,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:15,236 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:21:15,236 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:21:15,236 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:21:15,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191676071] [2024-11-28 04:21:15,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191676071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:15,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:15,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:21:15,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259637340] [2024-11-28 04:21:15,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:15,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:21:15,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:21:15,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:21:15,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:21:15,238 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) [2024-11-28 04:21:15,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:15,684 INFO L93 Difference]: Finished difference Result 2810 states and 3439 transitions. [2024-11-28 04:21:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:21:15,685 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 [2024-11-28 04:21:15,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:15,689 INFO L225 Difference]: With dead ends: 2810 [2024-11-28 04:21:15,690 INFO L226 Difference]: Without dead ends: 1902 [2024-11-28 04:21:15,691 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 [2024-11-28 04:21:15,691 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 [2024-11-28 04:21:15,691 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] [2024-11-28 04:21:15,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2024-11-28 04:21:15,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1748. [2024-11-28 04:21:15,920 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) [2024-11-28 04:21:15,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2141 transitions. [2024-11-28 04:21:15,936 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2141 transitions. Word has length 106 [2024-11-28 04:21:15,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:15,936 INFO L471 AbstractCegarLoop]: Abstraction has 1748 states and 2141 transitions. [2024-11-28 04:21:15,937 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) [2024-11-28 04:21:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2141 transitions. [2024-11-28 04:21:15,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 04:21:15,938 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:15,939 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] [2024-11-28 04:21:15,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2024-11-28 04:21:16,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:21:16,139 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:16,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:16,140 INFO L85 PathProgramCache]: Analyzing trace with hash -999622511, now seen corresponding path program 1 times [2024-11-28 04:21:16,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:21:16,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490426846] [2024-11-28 04:21:16,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:16,140 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:21:16,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:21:16,142 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:21:16,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-28 04:21:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:16,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:21:16,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:21:16,490 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:21:16,491 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:21:16,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490426846] [2024-11-28 04:21:16,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490426846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:16,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:16,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:21:16,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620432320] [2024-11-28 04:21:16,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:16,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:21:16,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:21:16,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:21:16,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:21:16,492 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) [2024-11-28 04:21:16,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:16,749 INFO L93 Difference]: Finished difference Result 2960 states and 3618 transitions. [2024-11-28 04:21:16,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:21:16,750 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 [2024-11-28 04:21:16,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:16,756 INFO L225 Difference]: With dead ends: 2960 [2024-11-28 04:21:16,756 INFO L226 Difference]: Without dead ends: 1575 [2024-11-28 04:21:16,757 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 [2024-11-28 04:21:16,758 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 [2024-11-28 04:21:16,758 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] [2024-11-28 04:21:16,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2024-11-28 04:21:17,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1575. [2024-11-28 04:21:17,131 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) [2024-11-28 04:21:17,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 1917 transitions. [2024-11-28 04:21:17,136 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 1917 transitions. Word has length 106 [2024-11-28 04:21:17,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:17,136 INFO L471 AbstractCegarLoop]: Abstraction has 1575 states and 1917 transitions. [2024-11-28 04:21:17,136 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) [2024-11-28 04:21:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1917 transitions. [2024-11-28 04:21:17,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 04:21:17,138 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:17,138 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] [2024-11-28 04:21:17,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2024-11-28 04:21:17,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:21:17,339 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:17,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:17,339 INFO L85 PathProgramCache]: Analyzing trace with hash 2092814708, now seen corresponding path program 1 times [2024-11-28 04:21:17,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:21:17,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371480155] [2024-11-28 04:21:17,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:17,340 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:21:17,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:21:17,342 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:21:17,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-28 04:21:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:17,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:21:17,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:21:17,871 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:21:17,871 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:21:17,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371480155] [2024-11-28 04:21:17,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371480155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:17,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:17,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:21:17,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036568162] [2024-11-28 04:21:17,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:17,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:21:17,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:21:17,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:21:17,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:21:17,873 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) [2024-11-28 04:21:18,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:18,394 INFO L93 Difference]: Finished difference Result 3054 states and 3713 transitions. [2024-11-28 04:21:18,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:21:18,395 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 [2024-11-28 04:21:18,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:18,398 INFO L225 Difference]: With dead ends: 3054 [2024-11-28 04:21:18,399 INFO L226 Difference]: Without dead ends: 1971 [2024-11-28 04:21:18,400 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 [2024-11-28 04:21:18,400 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:18,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 477 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:21:18,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2024-11-28 04:21:18,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1911. [2024-11-28 04:21:18,642 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) [2024-11-28 04:21:18,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2318 transitions. [2024-11-28 04:21:18,647 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2318 transitions. Word has length 107 [2024-11-28 04:21:18,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:18,648 INFO L471 AbstractCegarLoop]: Abstraction has 1911 states and 2318 transitions. [2024-11-28 04:21:18,648 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) [2024-11-28 04:21:18,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2318 transitions. [2024-11-28 04:21:18,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 04:21:18,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:18,662 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] [2024-11-28 04:21:18,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-28 04:21:18,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:21:18,862 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:18,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:18,863 INFO L85 PathProgramCache]: Analyzing trace with hash -278924554, now seen corresponding path program 1 times [2024-11-28 04:21:18,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:21:18,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071250457] [2024-11-28 04:21:18,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:18,863 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:21:18,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:21:18,865 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:21:18,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-28 04:21:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:19,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 04:21:19,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 117 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 04:21:19,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:21:20,179 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:21:20,180 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:21:20,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1071250457] [2024-11-28 04:21:20,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1071250457] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:21:20,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:21:20,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-28 04:21:20,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005278493] [2024-11-28 04:21:20,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:20,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:21:20,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:21:20,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:21:20,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:21:20,181 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) [2024-11-28 04:21:20,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:20,535 INFO L93 Difference]: Finished difference Result 3183 states and 3857 transitions. [2024-11-28 04:21:20,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:21:20,536 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 [2024-11-28 04:21:20,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:20,540 INFO L225 Difference]: With dead ends: 3183 [2024-11-28 04:21:20,540 INFO L226 Difference]: Without dead ends: 1874 [2024-11-28 04:21:20,542 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 [2024-11-28 04:21:20,542 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 [2024-11-28 04:21:20,542 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] [2024-11-28 04:21:20,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2024-11-28 04:21:20,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1821. [2024-11-28 04:21:20,764 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) [2024-11-28 04:21:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2212 transitions. [2024-11-28 04:21:20,769 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2212 transitions. Word has length 107 [2024-11-28 04:21:20,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:20,770 INFO L471 AbstractCegarLoop]: Abstraction has 1821 states and 2212 transitions. [2024-11-28 04:21:20,770 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) [2024-11-28 04:21:20,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2212 transitions. [2024-11-28 04:21:20,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 04:21:20,772 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:20,772 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] [2024-11-28 04:21:20,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-11-28 04:21:20,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:21:20,973 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:20,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:20,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1490412621, now seen corresponding path program 1 times [2024-11-28 04:21:20,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:21:20,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674598586] [2024-11-28 04:21:20,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:20,974 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:21:20,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:21:20,979 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:21:20,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-28 04:21:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:21,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 04:21:21,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:22,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 04:21:25,353 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 [2024-11-28 04:21:26,640 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:21:26,641 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 [2024-11-28 04:21:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 04:21:27,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:21:28,478 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:21:28,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674598586] [2024-11-28 04:21:28,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674598586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:21:28,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1653349006] [2024-11-28 04:21:28,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:28,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:21:28,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:21:28,482 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:21:28,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-28 04:21:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:30,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 04:21:30,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:31,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-28 04:21:45,352 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 [2024-11-28 04:21:47,378 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 [2024-11-28 04:21:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 04:21:47,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:21:48,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1653349006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:21:48,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:21:48,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 25 [2024-11-28 04:21:48,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490054784] [2024-11-28 04:21:48,423 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:21:48,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 04:21:48,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:21:48,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 04:21:48,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=874, Unknown=1, NotChecked=0, Total=992 [2024-11-28 04:21:48,425 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) [2024-11-28 04:21:58,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:58,867 INFO L93 Difference]: Finished difference Result 2500 states and 3013 transitions. [2024-11-28 04:21:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 04:21:58,868 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 [2024-11-28 04:21:58,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:58,879 INFO L225 Difference]: With dead ends: 2500 [2024-11-28 04:21:58,880 INFO L226 Difference]: Without dead ends: 2498 [2024-11-28 04:21:58,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 246 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=416, Invalid=2133, Unknown=1, NotChecked=0, Total=2550 [2024-11-28 04:21:58,882 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 538 mSDsluCounter, 1282 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s 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, 5.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:58,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 1389 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-11-28 04:21:58,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2024-11-28 04:21:59,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 1529. [2024-11-28 04:21:59,176 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) [2024-11-28 04:21:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 1856 transitions. [2024-11-28 04:21:59,181 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 1856 transitions. Word has length 107 [2024-11-28 04:21:59,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:59,181 INFO L471 AbstractCegarLoop]: Abstraction has 1529 states and 1856 transitions. [2024-11-28 04:21:59,181 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) [2024-11-28 04:21:59,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1856 transitions. [2024-11-28 04:21:59,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 04:21:59,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:59,184 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] [2024-11-28 04:21:59,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2024-11-28 04:21:59,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-28 04:21:59,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 04:21:59,585 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:59,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:59,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1229739150, now seen corresponding path program 1 times [2024-11-28 04:21:59,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:21:59,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704951020] [2024-11-28 04:21:59,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:59,586 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:21:59,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:21:59,587 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:21:59,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-11-28 04:21:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:59,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:22:00,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:22:00,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:22:00,383 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 [2024-11-28 04:22:00,924 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:22:00,925 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 [2024-11-28 04:22:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:22:01,126 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:22:01,126 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:22:01,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704951020] [2024-11-28 04:22:01,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704951020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:22:01,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:22:01,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:22:01,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762968424] [2024-11-28 04:22:01,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:22:01,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:22:01,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:22:01,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:22:01,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:22:01,127 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) [2024-11-28 04:22:02,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:22:02,485 INFO L93 Difference]: Finished difference Result 1733 states and 2085 transitions. [2024-11-28 04:22:02,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:22:02,486 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 [2024-11-28 04:22:02,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:22:02,491 INFO L225 Difference]: With dead ends: 1733 [2024-11-28 04:22:02,491 INFO L226 Difference]: Without dead ends: 1731 [2024-11-28 04:22:02,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:22:02,497 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 [2024-11-28 04:22:02,497 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] [2024-11-28 04:22:02,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2024-11-28 04:22:02,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1091. [2024-11-28 04:22:02,614 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) [2024-11-28 04:22:02,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1317 transitions. [2024-11-28 04:22:02,616 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1317 transitions. Word has length 108 [2024-11-28 04:22:02,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:22:02,617 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1317 transitions. [2024-11-28 04:22:02,617 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) [2024-11-28 04:22:02,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1317 transitions. [2024-11-28 04:22:02,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 04:22:02,618 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:22:02,618 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] [2024-11-28 04:22:02,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2024-11-28 04:22:02,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:22:02,819 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:22:02,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:22:02,819 INFO L85 PathProgramCache]: Analyzing trace with hash 420392524, now seen corresponding path program 1 times [2024-11-28 04:22:02,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:22:02,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874149611] [2024-11-28 04:22:02,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:22:02,820 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:22:02,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:22:02,821 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:22:02,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2024-11-28 04:22:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:22:03,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:22:03,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:22:03,385 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 [2024-11-28 04:22:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:22:03,437 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:22:03,437 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:22:03,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874149611] [2024-11-28 04:22:03,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874149611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:22:03,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:22:03,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:22:03,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322088695] [2024-11-28 04:22:03,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:22:03,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:22:03,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:22:03,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:22:03,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:22:03,438 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) [2024-11-28 04:22:05,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:22:05,857 INFO L93 Difference]: Finished difference Result 1867 states and 2242 transitions. [2024-11-28 04:22:05,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:22:05,858 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 [2024-11-28 04:22:05,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:22:05,862 INFO L225 Difference]: With dead ends: 1867 [2024-11-28 04:22:05,862 INFO L226 Difference]: Without dead ends: 1152 [2024-11-28 04:22:05,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:22:05,864 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 30 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:22:05,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 487 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 04:22:05,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2024-11-28 04:22:05,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1094. [2024-11-28 04:22:05,968 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) [2024-11-28 04:22:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1315 transitions. [2024-11-28 04:22:05,970 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1315 transitions. Word has length 108 [2024-11-28 04:22:05,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:22:05,971 INFO L471 AbstractCegarLoop]: Abstraction has 1094 states and 1315 transitions. [2024-11-28 04:22:05,971 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) [2024-11-28 04:22:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1315 transitions. [2024-11-28 04:22:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 04:22:05,972 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:22:05,972 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] [2024-11-28 04:22:05,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2024-11-28 04:22:06,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:22:06,173 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:22:06,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:22:06,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1291778764, now seen corresponding path program 1 times [2024-11-28 04:22:06,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:22:06,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697138507] [2024-11-28 04:22:06,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:22:06,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:22:06,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:22:06,175 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:22:06,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-11-28 04:22:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:22:06,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:22:06,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:22:06,562 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 [2024-11-28 04:22:06,590 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:22:06,590 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:22:06,590 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:22:06,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697138507] [2024-11-28 04:22:06,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [697138507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:22:06,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:22:06,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:22:06,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129739207] [2024-11-28 04:22:06,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:22:06,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:22:06,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:22:06,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:22:06,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:22:06,592 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) [2024-11-28 04:22:06,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:22:06,809 INFO L93 Difference]: Finished difference Result 1700 states and 2038 transitions. [2024-11-28 04:22:06,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:22:06,810 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 [2024-11-28 04:22:06,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:22:06,814 INFO L225 Difference]: With dead ends: 1700 [2024-11-28 04:22:06,814 INFO L226 Difference]: Without dead ends: 919 [2024-11-28 04:22:06,817 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 [2024-11-28 04:22:06,818 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 [2024-11-28 04:22:06,818 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] [2024-11-28 04:22:06,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2024-11-28 04:22:06,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 919. [2024-11-28 04:22:06,937 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) [2024-11-28 04:22:06,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1102 transitions. [2024-11-28 04:22:06,939 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1102 transitions. Word has length 108 [2024-11-28 04:22:06,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:22:06,939 INFO L471 AbstractCegarLoop]: Abstraction has 919 states and 1102 transitions. [2024-11-28 04:22:06,940 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) [2024-11-28 04:22:06,940 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1102 transitions. [2024-11-28 04:22:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 04:22:06,941 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:22:06,941 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] [2024-11-28 04:22:06,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2024-11-28 04:22:07,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:22:07,141 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:22:07,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:22:07,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1654958547, now seen corresponding path program 1 times [2024-11-28 04:22:07,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:22:07,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1576044306] [2024-11-28 04:22:07,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:22:07,142 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:22:07,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:22:07,144 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:22:07,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-11-28 04:22:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:22:07,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 04:22:07,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:22:08,309 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 [2024-11-28 04:22:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 117 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 04:22:08,378 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:22:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:22:08,680 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:22:08,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1576044306] [2024-11-28 04:22:08,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1576044306] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:22:08,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:22:08,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-28 04:22:08,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690293940] [2024-11-28 04:22:08,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:22:08,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:22:08,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:22:08,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:22:08,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:22:08,682 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) [2024-11-28 04:22:09,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:22:09,019 INFO L93 Difference]: Finished difference Result 1415 states and 1683 transitions. [2024-11-28 04:22:09,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:22:09,019 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 [2024-11-28 04:22:09,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:22:09,023 INFO L225 Difference]: With dead ends: 1415 [2024-11-28 04:22:09,023 INFO L226 Difference]: Without dead ends: 707 [2024-11-28 04:22:09,029 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 [2024-11-28 04:22:09,029 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 [2024-11-28 04:22:09,029 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] [2024-11-28 04:22:09,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-28 04:22:09,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 680. [2024-11-28 04:22:09,137 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) [2024-11-28 04:22:09,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 800 transitions. [2024-11-28 04:22:09,138 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 800 transitions. Word has length 111 [2024-11-28 04:22:09,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:22:09,139 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 800 transitions. [2024-11-28 04:22:09,139 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) [2024-11-28 04:22:09,139 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 800 transitions. [2024-11-28 04:22:09,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 04:22:09,139 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:22:09,139 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] [2024-11-28 04:22:09,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2024-11-28 04:22:09,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:22:09,340 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:22:09,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:22:09,340 INFO L85 PathProgramCache]: Analyzing trace with hash 497158722, now seen corresponding path program 1 times [2024-11-28 04:22:09,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:22:09,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501912397] [2024-11-28 04:22:09,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:22:09,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:22:09,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:22:09,344 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:22:09,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2024-11-28 04:22:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:22:09,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:22:09,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:22:10,671 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 117 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 04:22:10,671 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:22:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:22:10,984 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:22:10,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501912397] [2024-11-28 04:22:10,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [501912397] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:22:10,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:22:10,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-28 04:22:10,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646423110] [2024-11-28 04:22:10,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:22:10,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:22:10,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:22:10,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:22:10,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:22:10,986 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) [2024-11-28 04:22:11,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:22:11,339 INFO L93 Difference]: Finished difference Result 1165 states and 1360 transitions. [2024-11-28 04:22:11,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:22:11,340 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 [2024-11-28 04:22:11,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:22:11,342 INFO L225 Difference]: With dead ends: 1165 [2024-11-28 04:22:11,342 INFO L226 Difference]: Without dead ends: 687 [2024-11-28 04:22:11,343 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 [2024-11-28 04:22:11,344 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 45 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-28 04:22:11,344 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] [2024-11-28 04:22:11,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-11-28 04:22:11,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 659. [2024-11-28 04:22:11,463 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) [2024-11-28 04:22:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 768 transitions. [2024-11-28 04:22:11,464 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 768 transitions. Word has length 112 [2024-11-28 04:22:11,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:22:11,464 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 768 transitions. [2024-11-28 04:22:11,464 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) [2024-11-28 04:22:11,465 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 768 transitions. [2024-11-28 04:22:11,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-28 04:22:11,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:22:11,466 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] [2024-11-28 04:22:11,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2024-11-28 04:22:11,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:22:11,666 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:22:11,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:22:11,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1118734532, now seen corresponding path program 1 times [2024-11-28 04:22:11,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:22:11,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164917698] [2024-11-28 04:22:11,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:22:11,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:22:11,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:22:11,671 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:22:11,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2024-11-28 04:22:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:22:12,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 04:22:12,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:22:22,319 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 [2024-11-28 04:22:25,260 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 [2024-11-28 04:22:26,231 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 [2024-11-28 04:22:26,240 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 [2024-11-28 04:22:27,586 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:22:27,587 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 [2024-11-28 04:22:27,959 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 9 proven. 322 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2024-11-28 04:22:27,959 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:22:28,924 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 [2024-11-28 04:22:48,171 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_979 (_ BitVec 32)) (~last_1_signed_long_int_Array_0_1__0_~0 (_ BitVec 32)) (v_arrayElimCell_118 (_ BitVec 32))) (or (not (let ((.cse0 (let ((.cse1 (store |c_#memory_int#3| c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base (store (select |c_#memory_int#3| c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset v_ArrVal_979)))) (store .cse1 c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer~0.base (store (select .cse1 c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer~0.base) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var3_Pointer~0.offset (bvadd (select (select .cse1 c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer~0.base) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer~0.offset) (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) v_arrayElimCell_118)))))))))) (bvslt (select (select .cse0 c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer~0.base) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer~0.offset) (bvmul (select (select .cse0 c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset) ~last_1_signed_long_int_Array_0_1__0_~0)))) (bvslt (select (select |c_#memory_int#3| c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer~0.base) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var2_Pointer~0.offset) (bvmul (select (select |c_#memory_int#3| c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) c_~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset) ~last_1_signed_long_int_Array_0_1__0_~0)))) is different from false [2024-11-28 04:22:48,595 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:22:48,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [164917698] [2024-11-28 04:22:48,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [164917698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:22:48,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1815265419] [2024-11-28 04:22:48,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:22:48,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:22:48,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:22:48,597 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:22:48,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b225a08f-26d8-465a-8f6a-2a8bf78d9bec/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process